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, also known as 2ch, Channel 2, and sometimes retrospectively as 2ch.net, was an anonymous Japanese
textboard A textboard is a simple kind of Internet forum; most textboards require neither registration nor entry of a screen name. Textboards, like imageboards, were invented in Japan, but they remain relatively unknown outside it, in contrast to imagebo ...
founded in 1999 by
Hiroyuki Nishimura is a Japanese internet entrepreneur. He founded the message board 2channel, and is an administrator of 4chan. He is also a self-help author and TV personality. He is often known by his given name, , which he uses, rendered intentionally in low ...
. Described in 2007 as "Japan's most popular online community", the site had a level of influence comparable to that of traditional mass media such as television, radio, and magazines. At the time, the site drew an annual revenue of around (about US$1 million), and was the largest of its kind in the world, with around ten million visitors and 2.5 million posts made per day. The site was hosted and had its
domain registration Domain registration is the process of acquiring a domain name from a domain name Domain name registrar, registrar. History In 1993 the U.S. Department of Commerce, in conjunction with several public and private entities, created InterNIC to mai ...
provided by Jim Watkins, based in
San Francisco San Francisco, officially the City and County of San Francisco, is a commercial, Financial District, San Francisco, financial, and Culture of San Francisco, cultural center of Northern California. With a population of 827,526 residents as of ...
, California. In 2009, ownership of the site was transferred to
Singapore Singapore, officially the Republic of Singapore, is an island country and city-state in Southeast Asia. The country's territory comprises one main island, 63 satellite islands and islets, and one outlying islet. It is about one degree ...
-based Packet Monster Inc., under which Nishimura remained in control. In February 2014, Watkins seized the 2ch.net domain, taking full control over the website and assuming the role of site administrator. This has resulted in two textboards claiming to be the legitimate 2channel: 2ch.sc, owned by Nishimura through Packet Monster Inc., and , established in 2017 by redirect from the original domain and owned by Watkins through Philippines-based Loki Technology Inc. 2channel and its successors are more controversial than other social media in Japan; they are extremely popular among Japan's extreme right-wing, known as the ''
netto-uyoku , often shortened to , is the term used to refer to Japanese netizens who espouse ultranationalist far-right views on social media. ''Netto-uyoku'' is evaluated as sharing similarities to Western right-wing populism or the alt-right. Origins J ...
'', who post
xenophobic Xenophobia (from (), 'strange, foreign, or alien', and (), 'fear') is the fear or dislike of anything that is perceived as being foreign or strange. It is an expression that is based on the perception that a conflict exists between an in-gr ...
comments, often targeting Koreans and
Chinese Chinese may refer to: * Something related to China * Chinese people, people identified with China, through nationality, citizenship, and/or ethnicity **Han Chinese, East Asian ethnic group native to China. **'' Zhonghua minzu'', the supra-ethnic ...
.
Defamation Defamation is a communication that injures a third party's reputation and causes a legally redressable injury. The precise legal definition of defamation varies from country to country. It is not necessarily restricted to making assertions ...
is of particular concern; by August 2008, Nishimura had received more than one hundred lawsuits for defamatory comments left on the website. Announcements of crimes also have drawn scrutiny of 2channel and its successors. In 2012, 2channel was accused by the
Tokyo Metropolitan Police The , known locally as simply the Metropolitan Police Department (MPD), is the prefectural police of Tokyo Metropolis, Japan. Founded in 1874, the TMPD is the largest police force in Japan by number of officers, with a staff of more than 40,000 p ...
of allowing its platform to be used by
amphetamine Amphetamine (contracted from Alpha and beta carbon, alpha-methylphenethylamine, methylphenethylamine) is a central nervous system (CNS) stimulant that is used in the treatment of attention deficit hyperactivity disorder (ADHD), narcolepsy, an ...
dealers, although no charges were filed. In September 2007, 2channel claimed over 2.4 million posts per day. As of July 2020, 5channel claimed 1,031 boards receiving around 2.7 million posts per day on weekends, with no growth since March 2016. Meanwhile, 2ch.sc claimed 826 boards receiving around 5,700 posts daily.


History


Predecessors

Textboard A textboard is a simple kind of Internet forum; most textboards require neither registration nor entry of a screen name. Textboards, like imageboards, were invented in Japan, but they remain relatively unknown outside it, in contrast to imagebo ...
s like 2channel were rooted in two earlier technologies: dial-in
bulletin boards A bulletin board (pinboard, pin board, noticeboard, or notice board in British English) is a surface intended for the posting of public messages, for example, to advertise items wanted or for sale, announce events, or provide information. ...
, known in Japan as , and
Usenet Usenet (), a portmanteau of User's Network, is a worldwide distributed discussion system available on computers. It was developed from the general-purpose UUCP, Unix-to-Unix Copy (UUCP) dial-up network architecture. Tom Truscott and Jim Elli ...
. 2channel has two predecessors: Ayashii World created in 1996 by Shiba Masayuki, and , created in 1997. Ayashii World was the first large anonymous web bulletin board in Japan, while Amezou originated the more familiar "textboard" concept wherein threads are displayed chronologically, with new comments bumping old threads to the top, rather than in a branching tree. Ayashii World closed in 1998, leading most of its former users to go to Amezou; Nishimura advertised 2channel in a post on Amezou in May 1999, calling it "Amezou's second channel". From June, Amezou became increasingly unable to handle the load on its servers, until its host shut it down after threats against Amezou's anonymous owner which contained his
dox 4-Substituted-2,5-dimethoxyamphetamines (DO''x'') is a chemical class of substituted amphetamine derivatives featuring methoxy groups at the 2- and 5- positions of the phenyl ring, and a substituent such as alkyl or halogen at the 4- positio ...
were posted on it.


Early history

2channel was founded on 30 May 1999 in a college apartment in
Conway, Arkansas Conway is a city in the U.S. state of Arkansas and the county seat of Faulkner County, Arkansas, Faulkner County, located in the state's most populous Metropolitan Statistical Area, Central Arkansas. The city also serves as a regional shopping, ...
on the campus of
University of Central Arkansas The University of Central Arkansas (Central Arkansas or UCA) is a public university in Conway, Arkansas, United States. Founded in 1907, the university is one of the oldest in the state. As the state's only normal school at the time, UCA has hist ...
by
Hiroyuki Nishimura is a Japanese internet entrepreneur. He founded the message board 2channel, and is an administrator of 4chan. He is also a self-help author and TV personality. He is often known by his given name, , which he uses, rendered intentionally in low ...
. Success came quickly; many of Amezou's users began using it as soon as it opened. When compared with other bulletin boards, 2channel's technology wasn't much different; what led to its success was instead its being an "outlet for unfettered expression"; by being hosted in the United States, 2channel was able to bypass more restrictive Japanese censorship rules, while still being accessible from Japan. The site also enjoyed greater immunity from legal action within Japan due to the location of its servers. By 2002, Google said that the most searched word in Japan was "2channel". By 2004, 2channel was already the largest internet forum in Japan. The name "2channel" is a reference to VHF channel 2, the default setting for the
RF modulator An RF modulator (radio frequency modulator) is an electronic device used to convert signals from devices such as media players, VCRs and game consoles to a format that can be handled by a device designed to receive a modulated RF input, such ...
s used in earlier-generation game consoles (such as
Nintendo is a Japanese Multinational corporation, multinational video game company headquartered in Kyoto. It develops, publishes, and releases both video games and video game consoles. The history of Nintendo began when craftsman Fusajiro Yamauchi ...
's
Family Computer The Nintendo Entertainment System (NES) is an 8-bit home video game console developed and marketed by Nintendo. It was first released in Japan on 15 July 1983 as the and was later released as the redesigned NES in several test markets in the U ...
) when connecting to Japanese television sets. Where Amezou was originally meant to be "channel one", 2channel was meant to be "channel two". The site's iconic jar logo is a reference to deprecatory remarks some former users of Ayashii World would make about 2channel early on in the site's history, likening it to a . Nishimura took this nickname and adopted it as the site's logo by 2002. Jim Watkins, an ex-US army non-commissioned officer ( sergeant first class),
domain name registrar A domain name registrar is a company, person, or office that manages the reservation of Internet domain names. A domain name registrar must be accredited by a generic top-level domain (gTLD) Domain name registry, registry or a country code top-l ...
, and
dedicated hosting service A dedicated hosting service, dedicated server, or managed hosting service is a type of Internet hosting in which the client leases an entire server not shared with anyone else. This is more flexible than shared hosting, as organizations have f ...
provider, hosted 2channel since at least 2004 through various corporate identities, including Big-server.com Inc., Pacific Internet Exchange
LLC A limited liability company (LLC) is the United States-specific form of a private limited company. It is a business structure that can combine the pass-through taxation of a partnership or sole proprietorship with the limited liability of a ...
and N. T. Technology Inc. Before 2channel, Watkins' company primarily specialized in using servers and domains in the United States to serve uncensored
pornographic Pornography (colloquially called porn or porno) is sexually suggestive material, such as a picture, video, text, or audio, intended for sexual arousal. Made for consumption by adults, pornographic depictions have evolved from cave paintings ...
content to users in Japan.


Ownership transfer and government scrutiny

On 2 January 2009, Nishimura claimed to have transferred ownership of 2channel to Packet Monster Inc., a company based in
Chinatown, Singapore Chinatown is a subzone and ethnic enclave located within the Outram, Singapore, Outram district in the Central Area, Singapore, Central Area of Singapore. This area encompasses five precincts in Singapore: Kreta Ayer, Ann Siang/Club Street, ...
, and to no longer be involved in the site's management. However, Nishimura was charged with violating Japanese narcotic control laws anyway on 20 December 2012. As part of their case, the
Tokyo Metropolitan Police Department The , known locally as simply the Metropolitan Police Department (MPD), is the prefectural police of Tokyo, Tokyo Metropolis, Japan. Founded in 1874, the TMPD is the largest police force in Japan by number of officers, with a staff of more than 4 ...
(MPD) claimed Nishimura remained involved in 2channel's operations, alleging Packet Monster Inc. is a . The main thrust of the complaint was that Nishimura allegedly did not delete posts seeking to purchase illicit
amphetamine Amphetamine (contracted from Alpha and beta carbon, alpha-methylphenethylamine, methylphenethylamine) is a central nervous system (CNS) stimulant that is used in the treatment of attention deficit hyperactivity disorder (ADHD), narcolepsy, an ...
from other 2channel users online; the , an agency of the MPD, alleged that in 2011 97% of its 5,223 deletion requests did not result in deletion. On 19 March 2013, the Public Prosecutors Office decided not to prosecute the case. In August 2013, the Tokyo Regional Taxation Bureau declared in a tax audit that Nishimura had failed to declare worth of website revenue which should have been taxed between 2009 and 2012, years in which he financially benefited from Packet Monster Inc.; Nishimura settled the matter by paying the owed tax, . (To view the archive,
JavaScript JavaScript (), often abbreviated as JS, is a programming language and core technology of the World Wide Web, alongside HTML and CSS. Ninety-nine percent of websites use JavaScript on the client side for webpage behavior. Web browsers have ...
must be disabled in your browser
Alternate convenience link


Personal information leak

In August 2013, a hacker using the name the personal details (including names, addresses, and phone numbers) and
credit card numbers A payment card number, primary account number (PAN), or simply a card number, is the card identifier found on payment cards, such as credit cards and debit cards, as well as stored-value cards, gift cards and other similar cards. In some situat ...
of thousands of 2channel users who had used 2channel's paid services into the public domain, exposing the anonymous profiles of various high level personas such as politicians and writers, including an attorney involved in 2channel cases, , and a staff member of
AKB48 AKB48 (pronounced ''A.K.B. Forty-Eight'') is a Japanese idol musical girl group named after the Akihabara area in Tokyo, where the group's theater is located. AKB48 has sold more records than any other female musical act in Japanese history. AK ...
. More than 74,000 users had their personal information exposed by the leak. The paid service involved in the leak was known as the , or . Its main utility was that it allowed users to read old threads; if a thread on 2channel received 1,000 posts, it would become part of the by a process of of such threads, after which time a thread was no longer freely accessible. 2channel charged per year for the service, which was typically paid by credit card; logs of these payments were the source of the data leak. At the time of the leak, Watkins apologized on behalf of N. T. Technology, Inc., saying he was the victim of a "cyber attack" and that "some data f mycustomers was compromised."


Domain seizure and split

On 19 February 2014, Jim Watkins, as chairman of N.T. Technology, Inc., 2channel's
domain registrar A domain name registrar is a company, person, or office that manages the reservation of Internet domain names. A domain name registrar must be accredited by a generic top-level domain (gTLD) registry or a country code top-level domain (ccTLD) r ...
, seized 2channel's domain. He took full control over the website, relieved Nishimura of all power, and assumed the role of website administrator. Watkins made the ''kako rogu'' free to all users shortly after assuming control. Watkins claimed that Nishimura had failed to pay him money owed which led to the seizure as a way to cover Nishimura's debts, while Nishimura claimed that he had in fact paid everything owed and that the domain transfer was an illegal
domain hijacking Domain hijacking or domain theft is the act of changing the registration of a domain name without the permission of its original registrant, or by abuse of privileges on domain hosting and registrar software systems. This can be devastating t ...
. In response, Nishimura created his own clone of 2channel at ,
scraping Scrape, scraper or scraping may refer to: Biology and medicine * Abrasion (medical), a type of injury * Scraper (biology), grazer-scraper, a water animal that feeds on stones and other substrates by grazing algae, microorganism and other matter ...
the contents of the entire 2channel website and updating 2ch.sc as new posts appeared on 2ch.net. In a Q&A session on
4chan 4chan is an anonymous English-language imageboard website. Launched by Christopher "moot" Poole in October 2003, the site hosts boards dedicated to a wide variety of topics, from video games and television to literature, cooking, weapons, mu ...
shortly after becoming the site's owner, Nishimura claimed that 2channel was stolen by Watkins. Nishimura has attempted to repossess the domain both through
WIPO The World Intellectual Property Organization (WIPO; (OMPI)) is one of the 15 specialized agencies of the United Nations (UN). Pursuant to the 1967 Convention Establishing the World Intellectual Property Organization, WIPO was created to pr ...
's
Uniform Domain-Name Dispute-Resolution Policy The Uniform Domain-Name Dispute-Resolution Policy (UDRP) is a process established by the Internet Corporation for Assigned Names and Numbers (ICANN) for the resolution of disputes regarding the registration of internet domain names. The UDRP curre ...
and through the Japanese court system. Through the
Japan Patent Office The is a Japanese governmental agency in charge of industrial property right affairs, under the Ministry of Economy, Trade and Industry. The Japan Patent Office is located in Kasumigaseki, Chiyoda, Tokyo and is one of the world's largest pa ...
, Nishimura owns the
trademark A trademark (also written trade mark or trade-mark) is a form of intellectual property that consists of a word, phrase, symbol, design, or a combination that identifies a Good (economics and accounting), product or Service (economics), service f ...
"2channel", though the WIPO refused to intervene on his behalf on account of that, suggesting the parties go to court instead as it was not, in its view, a case of "
cybersquatting Cybersquatting (also known as domain squatting) is the practice of registering, trafficking in, or using an Internet domain name, with a bad faith intent to profit from the goodwill of a trademark belonging to someone else. The term is derived ...
" but rather a "business dispute". Ron Watkins, Jim's son, in 2016 registered the trademark "5channel" in Japan. On 1 October 2017, 2ch.net began redirecting to 5ch.net, a domain owned by Loki Technology, Inc. The chairman of Loki Technology Inc. is also Jim Watkins; his wife, Liziel, is the treasurer and majority shareholder. According to a press release, the name was changed to 5channel to avoid potential legal issues due to Nishimura's ownership of the "2channel" trademark.


Culture

Due to its large number of boards, the types of information exchanged on 2channel are very diverse. There are boards for topics as diverse as sports, sex, celebrity gossip, computer programming and ongoing earthquakes; even some academic research has gotten its start on 2channel.


Anonymous posting

One of the most distinctive features of 2channel is its use of
anonymous post alt=screenshot of 4chan's interface, an anonymous post on _b_.html" ;"title="4chan's /b/">4chan's /b/ imageboard An anonymous post, is an entry on a textboard, anonymous bulletin board system, or other discussion forums like Internet forum, wit ...
ing. Nishimura explained his reasons for preferring anonymity online to
USC Annenberg The USC Annenberg School for Communication and Journalism is a part of the University of Southern California in Los Angeles. It has 2,300 undergraduate and graduate students. Willow Bay is the dean. Prof. Hector Amaya is the Director of the Sc ...
's ''Japan Media Review'' thus:
If there is a user ID attached to a user, a discussion tends to become a criticizing game. On the other hand, under the anonymous system, even though your opinion/information is criticized, you don't know with whom to be upset. Also with a user ID, those who participate in the site for a long time tend to have authority, and it becomes difficult for a user to disagree with them. Under a perfectly anonymous system, you can say, "it's boring," if it is actually boring. All information is treated equally; only an accurate argument will work.
However, a frequent criticism directed toward anonymous textboards like 2channel, most notably by
Kazuhiko Nishi is a Japanese businessman and personal computer pioneer. Nishi's father ran a private school. Nishi attended Waseda University but dropped out to help found the first Japanese computer magazine, ''I/O''. Shortly thereafter he launched ''ASCII' ...
, is that their anonymous nature make them mere . 2channel's anonymity is a departure from most English language internet forums which require some form of registration, usually coupled with email verification for further identification of an individual; its anonymity in part inspired the creation of
4chan 4chan is an anonymous English-language imageboard website. Launched by Christopher "moot" Poole in October 2003, the site hosts boards dedicated to a wide variety of topics, from video games and television to literature, cooking, weapons, mu ...
. On 2channel, a name field is available, but it is seldom used. However, as
open proxies An open proxy is a type of proxy server that is accessible by any Internet user. Generally, a proxy server only allows users within a network group (i.e. a closed proxy) to store and forward Internet services such as DNS or web pages to reduce ...
such as the
Tor network Tor is a free overlay network for enabling anonymous communication. It is built on free and open-source software run by over seven thousand volunteer-operated relays worldwide, as well as by millions of users who route their Internet traffic ...
are banned from posting on 2channel, the administrators have some degree of ability to help law enforcement unmask users if necessary.


Revenue

While 2channel and its successors are commercial, 2channel was moderated by volunteers. 2channel relied on advertisements from "obscure" companies. In 2007, it had an annual revenue of around . Between 2009 and 2012, in ad profits were transferred to Nishimura's Singaporean shell company. As early as 2004, companies such as
Dentsu , simply known as , stylized as dentsu, is a Japanese international advertising and public relations joint stock company headquartered in Tokyo. Dentsu is the largest advertising agency in Japan and the fifth largest advertising agency network in ...
were
data mining Data mining is the process of extracting and finding patterns in massive data sets involving methods at the intersection of machine learning, statistics, and database systems. Data mining is an interdisciplinary subfield of computer science and ...
the website for their clients, keeping them informed of how they were being portrayed by 2channel users; by 2006, 75% of the content Dentsu analyzed on behalf of its customers was posted to 2channel. 2channel also received revenue from subscription services like the aforementioned ''maru''. For its part, 5channel has a subscription service, , that allows people outside Japan to post on it; this service also hides ads from its subscribers.


''Matome''

2channel historically allowed anyone to use its data, providing it in an easily
parsable Parsing, syntax analysis, or syntactic analysis is a process of analyzing a string of symbols, either in natural language, computer languages or data structures, conforming to the rules of a formal grammar by breaking it into parts. The term ''pa ...
format; this made it simple to create third party "dedicated browsers" () for posting on and using 2channel. The openness of the data allowed for the proliferation of and , which summarize 2channel threads and attempt to collect what they see as the "best of" 2channel. In 2007, due to growing discontentment towards such sites, Nishimura added a board, /poverty/, which marked every post on it with the phrase . This caused many users to abandon other boards for that board. Watkins made it a priority to combat "piracy" of 5channel by third-party ''matome'' sites in March 2014, adding ''tensai kinshi'' to many popular boards. Such sites siphon users from 2channel itself, with some receiving in excess of 100 million monthly pageviews; in one case a ''matome'' site earned its owner per month. Watkins followed up the rule change by restricting access to 2channel's data in March 2015, by requiring that dedicated browser authors use a special API to access 2channel's, and later 5channel's, thread data. On 10 July 2023, Jane, a company that provided a 5channel API server, terminated its 5channel API service, thus ending several applications' support for the site. Some browsers, including Jane's, replaced their support for 5channel with another anonymous textboard site named Talk.


Phenomena


''Densha Otoko''

''
Densha Otoko is a Japanese movie, television series, manga, novel, and other media, all based on the purportedly true story of a 23-year-old ''otaku'' who intervened when a drunk man started to harass several women on a train. The ''otaku'' ultimat ...
'' is a Japanese franchise consisting of a
movie A film, also known as a movie or motion picture, is a work of visual art that simulates experiences and otherwise communicates ideas, stories, perceptions, emotions, or atmosphere through the use of moving images that are generally, sinc ...
,
television series A television show, TV program (), or simply a TV show, is the general reference to any content produced for viewing on a television set that is broadcast via over-the-air, satellite, and cable, or distributed digitally on streaming plat ...
, manga, and other media, all based on the purportedly true story of a 23-year-old man who intervened when a drunk man started to harass several women on a train. The man ultimately begins dating one of the women. The event and the man's subsequent dates with the woman, chronicled on 2channel, directly inspired the franchise. Whether or not the original 2channel story is actually true is debated.


Shift_JIS art

2channel and its successors, being textboards, cannot have images posted to them. Users get around this, however, by posting a more expressive form of
ASCII ASCII ( ), an acronym for American Standard Code for Information Interchange, is a character encoding standard for representing a particular set of 95 (English language focused) printable character, printable and 33 control character, control c ...
art:
Shift_JIS art Shift_JIS art is artwork created from characters in the Shift JIS character set, a superset of the ASCII encoding standard intended for Japanese usage. Shift_JIS art has become popular on web-based bulletin boards, notably 2channel, and has ...
. Below is a small sample:


Political activism

2channel and other websites with "chan" in their name have been known for
activism Activism consists of efforts to promote, impede, direct or intervene in social, political, economic or environmental reform with the desire to make Social change, changes in society toward a perceived common good. Forms of activism range from ...
done by their users for a variety of causes.


Controversies


Slander and legal issues

During Hiroyuki's administration, he was often openly defiant of Japanese law, especially around
libel Defamation is a communication that injures a third party's reputation and causes a legally redressable injury. The precise legal definition of defamation varies from country to country. It is not necessarily restricted to making assertions ...
, and his duty to follow it, telling ''
Yomiuri Shimbun The is a Japanese newspaper published in Tokyo, Osaka, Fukuoka, Fukuoka, Fukuoka, and other major Japanese cities. It is one of the five major newspapers in Japan; the other four are ''The Asahi Shimbun'', the ''Chunichi Shimbun'', the ''Ma ...
'' in March 2007: By May 2008, Nishimura had lost more than fifty libel lawsuits in Japanese civil courts, and had been assessed millions of dollars in penalties; by August, according to him, he'd received more than one hundred lawsuits. While according to the official pages of the website, slander was prohibited, activists such as
Debito Arudou is an American-born Japanese writer, blogger, and human rights activist. He was born in the United States and became a naturalized Japanese citizen in 2000. Arudou has since left Japan after living in the country for over 20 years. Backgrou ...
claimed that the site did not actually respond to requests to delete posts in his case, returning mail unopened. After the transfer to Packet Monster Inc., Arudou, who had still not received any of the court ordered penalty, wrote in an op-ed that Nishimura had only transferred his assets to increase his "unaccountability". While Nishimura at that point had never paid any of the compensation courts ordered in his cases, in 2010 one of his plaintiffs was successful in getting compensated through the publisher of one of Nishimura's books.


Crime announcements

were a regular occurrence on 2channel, including of
mass suicides Mass suicide is a form of suicide, occurring when a group of people simultaneously kill themselves. Mass suicide sometimes occurs in religious settings. In war, defeated groups may resort to mass suicide rather than being captured. Suicide pacts ...
and murders. After the 2000 Neomugicha incident, in which a bus was hijacked by a Teenager who posted on 2channel, police officers started regularly policing 2channel; such surveillance only increased after the
Akihabara massacre The was an incident of mass murder that took place on 8June 2008, in the Akihabara shopping quarter in Chiyoda, Tokyo, Japan. The perpetrator, 25-year-old of Susono, Shizuoka, vehicle-ramming attack, drove into a crowd with a rented truck, ini ...
announced his 2008 attack on 2channel as well. Former superintendent of the Tokyo Metropolitan Police Tateshi Higuchi called the site a "den of iniquity". According to ''The Japan Times'', however, 2channel cooperated with police in the past to aid them in catching criminals using 2channel by giving police their IP addresses, from which their locations were determined. Such crime announcements have continued to be a problem on 5channel: it was speculated that the man who carried out the
Kyoto Animation arson attack The occurred at Kyoto Animation's Studio 1 building in the Fushimi ward of Kyoto, Kyoto Prefecture, Japan, on the morning of 18 July, 2019. The arson killed 36 people, injured an additional 34 (including the suspect), and destroyed most ...
posted an advance warning of the crime on 5channel.


Far-right nationalism and anti-Korean hate speech

2channel, with its massive size and anonymous posting, is abundant with slander,
hate speech Hate speech is a term with varied meaning and has no single, consistent definition. It is defined by the ''Cambridge Dictionary'' as "public speech that expresses hate or encourages violence towards a person or group based on something such as ...
and
defamation Defamation is a communication that injures a third party's reputation and causes a legally redressable injury. The precise legal definition of defamation varies from country to country. It is not necessarily restricted to making assertions ...
against public figures, institutions, and minority ethnic groups. Far-right users of 2channel are referred to as ''
netto-uyoku , often shortened to , is the term used to refer to Japanese netizens who espouse ultranationalist far-right views on social media. ''Netto-uyoku'' is evaluated as sharing similarities to Western right-wing populism or the alt-right. Origins J ...
'', a term roughly analogous to "
alt-right The alt-right (abbreviated from alternative right) is a Far-right politics, far-right, White nationalism, white nationalist movement. A largely Internet activism, online phenomenon, the alt-right originated in the United States during the late ...
". Though the site has rules against posts illegal under Japanese law, the scale and anonymous nature of the site makes prompt deletions difficult to realize in practice. Furthermore, on occasion, 2channel has been accused of being reluctant to remove defamatory posts. The discussion boards are also often used to coordinate real-life demonstrations; as an example, 2channel users organized an August 2011 rally against
Fuji Television JOCX-DTV (channel 8), branded as or , is a Japanese television station that serves the Kantō region as the flagship (broadcasting), flagship station of the Fuji News Network (FNN) and the Fuji Network System (FNS). The station is owned-and- ...
, their complaint being that the channel was broadcasting too many Korean television shows. ''
Sankei Shimbun The , name short for , is a daily national newspaper in Japan published by the Sankei Shimbun Co., Ltd, ranking amongst the top five most circulated newspapers in Japan. Together with its English-language paper ''Japan Forward'', the ''Sankei ...
'' reported in 2018 that 5channel, which received most of 2channel's users, has the same reputation for attracting ''netto-uyoku''. 2channel ''netto-uyoku'' frequently make racist comments against Koreans. In 2009, it was even discovered that an ''
Asahi Shimbun is a Japanese daily newspaper founded in 1879. It is one of the oldest newspapers in Japan and Asia, and is considered a newspaper of record for Japan. The ''Asahi Shimbun'' is one of the five largest newspapers in Japan along with the ''Yom ...
'' employee had posted racist remarks towards Koreans on 2channel. After the
2011 Tōhoku earthquake and tsunami On 11 March 2011, at 14:46:24 Japan Standard Time, JST (05:46:24 UTC), a  9.0–9.1 Submarine earthquake, undersea megathrust earthquake occurred in the Pacific Ocean, east of the Oshika Peninsula of the Tōhoku region. It lasted approx ...
, fake news proliferated on 2channel, falsely accusing Chinese and Korean people of "plundering" evacuation centers.


Technology

2channel operated on forum software that was considered innovative at the time of its founding, originally written by Hiroyuki himself, but later replaced through the collective effort of his
Unix Unix (, ; trademarked as UNIX) is a family of multitasking, multi-user computer operating systems that derive from the original AT&T Unix, whose development started in 1969 at the Bell Labs research center by Ken Thompson, Dennis Ritchie, a ...
-savvy users; the software is known as . It was a major departure from
Usenet Usenet (), a portmanteau of User's Network, is a worldwide distributed discussion system available on computers. It was developed from the general-purpose UUCP, Unix-to-Unix Copy (UUCP) dial-up network architecture. Tom Truscott and Jim Elli ...
; however, when compared to other Japanese textboards at the time, such as Amezou, 2channel's format was not much different. Boards in the textboard software have their threads sorted by the time of their last post, so making a post would the thread to the top of the board index. However, when posting in a thread, users may use a function known as to avoid bumping a thread in this way. Often, posters will use on purpose, to avoid unwanted attention.


Major outages


2010–2011 Korean DDoS

In response to racism towards Koreans by 2channel users, especially against
Yuna Kim Yuna Kim (; born September 5, 1990), also credited in eastern name order as Kim Yuna or Kim Yeon-a, is a South Korean figure skater. Known for her well-rounded skills, achievements, popularity, and impact on the sport, she is one of the most ...
, an athlete who defeated Japan in the
2010 Vancouver Olympics The 2010 Winter Olympics, officially known as the XXI Olympic Winter Games () and also known as Vancouver 2010 (), were an international winter multi-sport event held from February 12 to 28, 2010 in Vancouver, British Columbia, Canada, with ...
, the site suffered an extended outage in March 2010 due to a
distributed denial of service In computing, a denial-of-service attack (DoS attack) is a cyberattack in which the perpetrator seeks to make a machine or network resource unavailable to its intended users by temporarily or indefinitely disrupting services of a host conne ...
(DDoS) attack conducted by a Korean hacking group. The attack against Jim Watkins' Pacific Internet Exchange LLC affected other sites on the shared network as well, including some belonging to US government agencies; it is estimated to have cost . Watkins requested the American government investigate the event as an instance of "
cyberterrorism Cyberterrorism is the use of the Internet to conduct violent acts that result in, or threaten, the loss of life or significant bodily harm, in order to achieve political or ideological gains through threat or intimidation. Emerging alongside th ...
"; according to him, sporadic DDoS attacks by Koreans continued into 2011.


2015 8chan DDoS

Beginning on 8 January 2015,
8chan 8kun, previously called 8chan, Infinitechan or Infinitychan (stylized as ∞chan), is an imageboard website composed of user-created message boards. An owner moderates each board, with minimal interaction from site administration. The site ...
, also owned by Jim Watkins and hosted on the network of N. T. Technology, Inc., suffered an outage due to a DDoS attack. Due to the attack, 2ch.net, then owned by Watkins but not yet operated under the name 5channel, went down as well. The attacks against the messageboards lasted until at least 13 January, leading "many 2channel users to become angry with the management".


Societal impact

In September 2007, 2channel averaged over 2.4 million posts per day. As of July 2020, 5channel had 1,031 boards receiving around 2.7 million posts per day on weekends, with no growth since March 2016. Meanwhile, 2ch.sc then had 826 boards receiving around 5,700 posts daily. Due to its popularity, 2channel and its successors have had considerable influence on Japanese society.


Children's use of 2channel

Use of sites like 2channel by minors is a major concern in Japan. Some children's search sites, such as the now-defunct , filtered textboards like 2channel. In Tokyo, a
local ordinance A local ordinance is a law issued by a local government such as a municipality, county, parish, prefecture, or the like. Hong Kong In Hong Kong, all laws enacted by the territory's Legislative Council remain to be known as ''Ordinances'' () ...
requires that
internet service providers An Internet service provider (ISP) is an organization that provides a myriad of services related to accessing, using, managing, or participating in the Internet. ISPs can be organized in various forms, such as commercial, community-owned, non ...
develop
filters Filtration is a physical process that separates solid matter and fluid from a mixture. Filter, filtering, filters or filtration may also refer to: Science and technology Computing * Filter (higher-order function), in functional programming * Fil ...
to prevent minors from accessing sites which could harm the "sound and wholesome fostering f their youth; they must also confirm before installing a connection if any minors live in the household. Despite this, however, web filter provider Net Star in February 2007 released the results of a survey which showed that the utilization rate of 2channel for primary and secondary students was 12.2%. In response to threads on 2channel about certain schools which were leading to
cyberbullying Cyberbullying (cyberharassment or online bullying) is a form of bullying or harassment using electronic means. Since the 2000s, it has become increasingly common, especially among teenagers and adolescents, due to young people's increased u ...
, the
Ministry of Education An education ministry is a national or subnational government agency politically responsible for education. Various other names are commonly used to identify such agencies, such as Ministry of Education, Department of Education, and Ministry of Pub ...
in 2008 released a 65-page manual for teachers and parents on how to handle the issue. Concerned about the popularity of 2channel among children and teenagers, a team of childhood education professors at the
University of the Ryukyus The , abbreviated to , is a Japanese national university in Nishihara, Okinawa, Japan. Established in 1950, it is the westernmost national university of Japan and the largest public university in Okinawa Prefecture. Located in the Senbaru ne ...
in 2009 published a paper making recommendations to lawmakers on how to curb such use. In February 2020, Nishimura himself wrote an
op-ed An op-ed, short for "opposite the editorial page," is a type of written prose commonly found in newspapers, magazines, and online publications. They usually represent a writer's strong and focused opinion on an issue of relevance to a targeted a ...
in ''
Nikkan Kogyo Shimbun ''Nikkan Kogyo Shimbun'' (日刊工業新聞, The Daily Industrial News), one of the leading daily newspapers in Japan, specializes in business and industrial affairs, and is published by The Nikkan Kogyo Shimbun, Ltd. (Head Office: Tokyo, Japan) ...
'' warning parents about the dangers of allowing their children unfettered access to social media sites like
YouTube YouTube is an American social media and online video sharing platform owned by Google. YouTube was founded on February 14, 2005, by Steve Chen, Chad Hurley, and Jawed Karim who were three former employees of PayPal. Headquartered in ...
and 2channel.


Politicians and 2channel

Naoto Kan is a Japanese former politician who served as Prime Minister of Japan and President of the Democratic Party of Japan (DPJ) from June 2010 to September 2011. Kan was the first Prime Minister since the resignation of Junichiro Koizumi in 2006 to ...
, a future
prime minister A prime minister or chief of cabinet is the head of the cabinet and the leader of the ministers in the executive branch of government, often in a parliamentary or semi-presidential system. A prime minister is not the head of state, but r ...
who was then a member of the
National Diet , transcription_name = ''Kokkai'' , legislature = 215th Session of the National Diet , coa_pic = Flag of Japan.svg , house_type = Bicameral , houses = , foundation=29 November 1890(), leader1_type ...
, sent a legal notice on 10 May 2000 demanding that 2channel delete a post by someone falsely claiming to be him. After the
Liberal Democratic Party Several political parties from around the world have been called the Liberal Democratic Party, Democratic Liberal Party or Liberal Democrats. These parties have usually followed liberalism as ideology, although they can vary widely from very progr ...
presidential election in 2007, Prime Minister
Tarō Asō is a Japanese politician who served as Prime Minister of Japan from 2008 to 2009. A member of the Liberal Democratic Party (LDP), he also served as Deputy Prime Minister and Minister of Finance from 2012 to 2021. He was the longest-serving De ...
stated in a
Fuji TV JOCX-DTV (channel 8), branded as or , is a Japanese television station that serves the Kantō region as the flagship (broadcasting), flagship station of the Fuji News Network (FNN) and the Fuji Network System (FNS). The station is owned-and- ...
interview that he sometimes posts on 2channel. During each election season, supporting posts for perennial candidates Matayoshi Jesus and Mac Akasaka were frequently made on 2channel, turning them into something of a meme, similar to the repeated candidacies of
Vermin Supreme Vermin Love Supreme (born June 1, 1961) is an American performance artist and activist who has run as a novelty candidate in various local, state, and national elections in the United States. He served as a member of the Libertarian Party (Unit ...
in the United States. After more than ten failed candidacies for various political offices, including
Governor of Tokyo The is the head of government of Tokyo. In 1943, upon the unification of Tokyo City and Tokyo Prefecture (1868–1943), Tokyo Prefecture into Tokyo Metropolitan Government, the position of Governor was created. Previously, the prefecture had a ...
, Akasaka was eventually elected to the
Tokyo Metropolitan Assembly The is the Prefectures of Japan, prefectural parliament of Tokyo, Tokyo Metropolis. Its 127 members are elected every four years in 42 districts by single non-transferable vote. 23 electoral districts equal the Special wards of Tokyo, special wa ...
, representing Minato, in April 2019. ''Asahi Shimbun'' credited Akasaka's online fame with helping him win the surprise victory.


2channel in the media

Japanese news organizations often relied on 2channel to determine the issues the public was thinking about, and for leads. However, the mass media often reports on it negatively, similar to how it reported on ''otaku'' culture a decade ago, before it went more mainstream, even though internet trends nowadays routinely slip through into other media. The phrase , when used in reporting, may refer either to 2channel or to other forums. Movements spawned on 2channel often receive media attention, noting how the methods of 2channel activists break socially normative behavior and bring pressure to bear through sheer numbers. Beyond this, though, 2channel posts were often a basis for media reports in Japan. TV programs have even featured 2channel's moderators and users; comedian Hikari Ōta, for example, criticized Nishimura during a discussion on the
Tokyo Broadcasting System (formerly ) is a Japanese media and licensed broadcasting holding company. It is the parent company of the television network TBS Television and radio network TBS Radio. It has a 28-affiliate television network called Japan News Network, as ...
's ''Sandējapon'' on the ideal limits of
free expression Freedom of speech is a principle that supports the freedom of an individual or a community to articulate their opinions and ideas without fear of retaliation, censorship, or legal sanction. The right to freedom of expression has been recognise ...
as applied to social networks. ''
Shokun! was a monthly magazine of conservative opinion published by Bungeishunju Ltd. It normally went on sale on the first day of each month though at the end of the year it was released on the 25th or 26th and in the past it had been released on the s ...
'' magazine, during its operation, ran a column known as which shared "patriotic" 2channel posts. '' Weekly Bunshun'', published by
Bungeishunjū is a Japanese publishing company known for its leading monthly magazine '' Bungeishunjū''. The company was founded by Kan Kikuchi in 1923. It grants the annual Akutagawa Prize, one of the most prestigious literary awards in Japan, as well a ...
), meanwhile, has been criticized for being seen as overly pro-2channel and relying on its posts too much in its reporting.


See also

*
Futaba Channel , or Futaba for short, also sometimes called 2chan, is a Japanese imageboard. Users of the website can upload pictures and discuss a wide variety of topics, from daily personal problems to sports, ramen, otaku and underground culture. Origin ...
(2chan) *
Ilbe Storehouse Daily-Best Archive () or Ilbe Storehouse (), also known as Ilbe, is a South Korean Internet forum that has a predominantly far-right userbase. The site was created in April 2010 and started as an archive of the ''daily best'' posts from the for ...
,
South Korea South Korea, officially the Republic of Korea (ROK), is a country in East Asia. It constitutes the southern half of the Korea, Korean Peninsula and borders North Korea along the Korean Demilitarized Zone, with the Yellow Sea to the west and t ...
*
Shift JIS art Shift_JIS art is artwork created from characters in the Shift JIS character set, a superset of the ASCII encoding standard intended for Japanese usage. Shift_JIS art has become popular on web-based bulletin boards, notably 2channel, and has ...
*
Tianya Club Tianya Club () was one of the most popular Internet forums in China. As of 2015, it was ranked by Alexa Internet, Alexa as the 11th most visited site in the People's Republic of China and 60th overall. It was founded on 14 February 1999 and pr ...
,
China China, officially the People's Republic of China (PRC), is a country in East Asia. With population of China, a population exceeding 1.4 billion, it is the list of countries by population (United Nations), second-most populous country after ...


Notes


References


External links

* (5channel) * (2ch.sc) {{Authority control 1999 establishments in Japan Alt-right in Asia Anonymous social media Anti-Korean sentiment in Japan Far-right politics in Japan Internet properties established in 1999 Otaku Racism in Japan Internet activism