C4 was a
Macintosh
Mac is a brand of personal computers designed and marketed by Apple Inc., Apple since 1984. The name is short for Macintosh (its official name until 1999), a reference to the McIntosh (apple), McIntosh apple. The current product lineup inclu ...
software developer
Software development is the process of designing and Implementation, implementing a software solution to Computer user satisfaction, satisfy a User (computing), user. The process is more encompassing than Computer programming, programming, wri ...
s conference held in
Chicago
Chicago is the List of municipalities in Illinois, most populous city in the U.S. state of Illinois and in the Midwestern United States. With a population of 2,746,388, as of the 2020 United States census, 2020 census, it is the List of Unite ...
,
Illinois
Illinois ( ) is a U.S. state, state in the Midwestern United States, Midwestern United States. It borders on Lake Michigan to its northeast, the Mississippi River to its west, and the Wabash River, Wabash and Ohio River, Ohio rivers to its ...
. The conference ran from 2006
through 2009. It was created by
Jonathan Rentzsch after the demise of
MacHack.
In May 2010 Rentzsch announced
that he would no longer operate the conference due to a dissatisfaction with Apple's policies toward iPhone OS development and the lack of a strong negative reaction from the Apple developer community.
Etymology
The name C4 stands for Code Culture Conspiracy Conference
C4 /h1>
The first C4 conference was a two-day event held at th
University Centerin downtown Chicago. It was held on October 20 and October 21, 2006, with an optional trip to
Adler Planetarium
The Adler Planetarium is a public museum in Chicago, Illinois, dedicated to astronomy and astrophysics. It was founded in 1930 by local businessman Max Adler (Sears), Max Adler. Located on the northeastern tip of Northerly Island on Lake Michigan ...
's
TimeSpace show for attendees on October 22.
Due to that year's
Chicago Marathon
The Chicago Marathon is a road marathon held in October in Chicago, Illinois. It is one of the seven World Marathon Majors. Thus, it is also a World Athletics Label Road Race. The Chicago Marathon is one of the largest races by number of fini ...
, attendees unable to stay downtown were provided free passes to the
Chicago 'L'
Chicago is the most populous city in the U.S. state of Illinois and in the Midwestern United States. With a population of 2,746,388, as of the 2020 census, it is the third-most populous city in the United States after New York City and Los ...
railway system for the weekend (an arrangement referred to as "Plan 'L'").
Presenters
*
Steve Dekorte, software developer
*
Drunkenbatman, blogger, organizer of
Evening@Adler (held at Adler Planetarium)
*
Brian W. Fitzpatrick, developer of
Subversion
Subversion () refers to a process by which the values and principles of a system in place are contradicted or reversed in an attempt to sabotage the established social order and its structures of Power (philosophy), power, authority, tradition, h ...
, Fire and
Apache Portable Runtime
*
John Gruber
John Gruber (born 1973) is a technology blogger, UI designer, and co-creator of the Markdown markup language. Gruber authors the Apple enthusiast blog Daring Fireball and produces its accompanying podcast, ''The Talk Show''.
History
Gruber is ...
, coauthor of
Markdown
Markdown is a lightweight markup language for creating formatted text using a plain-text editor. John Gruber created Markdown in 2004 as an easy-to-read markup language. Markdown is widely used for blogging and instant messaging, and also used ...
and influential blogger (see
Daring Fireball
John Gruber (born 1973) is a technology blogger, UI designer, and co-creator of the Markdown markup language. Gruber authors the Apple enthusiast blog Daring Fireball and produces its accompanying podcast, ''The Talk Show''.
History
Gruber is ...
)
*
Gus Mueller, creator of
VoodooPad
*
Jonathan Rentzsch, software developer
*
Brent Simmons
Brent C. Simmons is an American former artistic gymnast. He was a United States men's national artistic gymnastics team member and was named to the 1970 and 1974 teams for the World Artistic Gymnastics Championships. He also represented the Unit ...
, creator of
NetNewsWire
*
Aaron Hillegass, software developer and
Cocoa instructor at
Big Nerd Ranch
*
Paul Kafasis, software developer and founder of
Rogue Amoeba
Notable attendees
C4 /h1>
The second C4 conference was held at the Chicago City Centre Hotel on August 10–August 12, 2007.
Like the first conference, C4
was organized by Jonathan Rentzsch.
Presenters
*
Tim Burks,
RubyObjC developer
*Drunkenbatman
*
Adam Engst, publisher of
TidBITS
*
Bob Ippolito,
PyObjC
PyObjC is a bidirectional bridge between the Python and Objective-C programming languages, allowing programmers to use and extend existing Objective-C libraries, such as Apple's Cocoa framework, using Python.
PyObjC is used to develop macOS ap ...
developer
*
Daniel Jalkut, developer of
MarsEdit (acquired from Brent Simmons)
*Jonathan Rentzch
*
Cabel Sasser, co-founder of
Panic Inc.
*
Wil Shipley, creator of
Delicious Library
*
Shawn Morel,
VMware developer working on
Fusion
, senior editor at ''
Forbes
''Forbes'' () is an American business magazine founded by B. C. Forbes in 1917. It has been owned by the Hong Kong–based investment group Integrated Whale Media Investments since 2014. Its chairman and editor-in-chief is Steve Forbes. The co ...
'' magazine and writer of ''The Secret Diary of Steve Jobs'' under the pseudonym "Fake Steve Jobs", was scheduled to speak at C4 but was unable due to an illness.
C4 /h1>
The third C4 conference was held at the Chicago City Centre Hotel on September 5–September 7, 2008.
Like the previous conferences, C4
was organized by Jonathan Rentzsch. He announced the conference vi
Twitter feedon April 23, 2008.
Presenters
*
Alex Payne, developer for
Twitter
Twitter, officially known as X since 2023, is an American microblogging and social networking service. It is one of the world's largest social media platforms and one of the most-visited websites. Users can share short text messages, image ...
*
Brent Simmons
Brent C. Simmons is an American former artistic gymnast. He was a United States men's national artistic gymnastics team member and was named to the 1970 and 1974 teams for the World Artistic Gymnastics Championships. He also represented the Unit ...
, creator of
NetNewsWire
*
Buzz Andersen, creator of PodWorks
*
Craig Hockenberry, creator of
Twitterrific
* Mike Lee, former developer for
Delicious Monster and
Tapulous
Tapulous, Inc. was an American Computer software, software and video game Video game developer, developer and Video game publisher, publisher headquartered in Palo Alto, California. It was a wholly owned subsidiary of The Walt Disney Company as pa ...
*
Rich Siegel, founder of
Bare Bones Software
Bare Bones Software is a private North Chelmsford, Massachusetts, United States software company developing software tools for the Mac (computer), Apple Macintosh platform. The company develops the BBEdit text editor, marketed under the registered ...
*
D. Richard Hipp, architect and primary author of SQLite
*
Wil Shipley, founder of
Delicious Monster
C4 /h1>
The fourth C4 conference was held at the DoubleTree Chicago from September 25 to September 27, 2009. It sold out within eight hours of the initial announcement. This year's version featured
Blitz talks, talks held between the conference's standard presentations. In these talks, speakers were held to 5 minutes per presentation, with each slide having a maximum of 20 seconds on screen.
Presenters
*
Augie Fackler, Google engineer
*
Christopher Lloyd
Christopher Allen Lloyd (born October 22, 1938) is an American actor. He has appeared in many theater productions, films, and television shows since the 1960s. He is known for portraying Emmett Brown in the Back to the Future (franchise), ''B ...
, creator of
Cocotron
*
Dave Dribin, founder of
BitMaki
*
John C. Welch
*
Jonathan Rentzsch
*
Matt Drance
*
Michael Lopp, author of
Rands in Repose
*
Peter Wayner
*
Patrick Thomson
References
External links
C4[0] scheduleJonathan Rentzsch's blog posts about C4Photos of C4
by attendee James Duncan Davidson at Flickr
Photos of C4
by presenter John Gruber
John Gruber (born 1973) is a technology blogger, UI designer, and co-creator of the Markdown markup language. Gruber authors the Apple enthusiast blog Daring Fireball and produces its accompanying podcast, ''The Talk Show''.
History
Gruber is ...
at Flickr
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Apple Inc. conferences