Drawbridge (company)
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Drawbridge is a people-based identity management company operating out of San Mateo, California, USA. It has been a subsidiary of
LinkedIn LinkedIn () is an American business and employment-oriented Social networking service, social network. It was launched on May 5, 2003 by Reid Hoffman and Eric Ly. Since December 2016, LinkedIn has been a wholly owned subsidiary of Microsoft. ...
since 2019. Drawbridge has built a people-based identity graph and cross-device advertising platform that specializes in using
machine learning Machine learning (ML) is a field of study in artificial intelligence concerned with the development and study of Computational statistics, statistical algorithms that can learn from data and generalise to unseen data, and thus perform Task ( ...
to match individuals across connected devices, including desktops, smartphones, tablets, and connected TVs, in order to serve more relevant ads across devices. The company received a patent for its "system to group internet devices based upon device usage" in 2016 and a patent for "system and method for determining related digital identities" in 2019.


History

Kamakshi Sivaramakrishnan, a former
AdMob AdMob is a mobile advertising subsidiary of Google, originally founded by the Syrian entrepreneur Omar Hamoui. The name AdMob is a portmanteau for "advertising on mobile". It was incorporated on April 10, 2006 while Hamoui was in business scho ...
scientist, built the technology that allowed her to pair users to devices in late 2010 and formed Adsymptotic, which is now known as Drawbridge.Leber, Jessica
"Get Ready for Ads that Follow You from One Device to the Next"
'' IT Tech Review', December 5, 2012
In 2014, the company announced support for video adsHa, Anthony
"Drawbridge Says It Now Supports Video In Its Cross-Device Ad Targeting"
'' echcrunch Review', April 3, 2014
and updated its analytics suite to give marketers insights on multi-touch attribution and information on their audiences across devices.Loechner, Tyle
"Drawbridge To Update Analytics, Shines Light On Multi-Touch Attribution"
'' TBlog', September 3, 2014
In 2016, the company was ranked #54 on the Deloitte Fast 500 North America list and was listed on the Inc. 5000 List of Fastest Growing Companies in America for the second consecutive year. In 2017, the company was ranked #24 on the
CNBC CNBC is an American List of business news channels, business news channel owned by the NBCUniversal News Group, a unit of Comcast's NBCUniversal. The network broadcasts live business news and analysis programming during the morning, Day ...
Disruptor 50 list, and named one of
Fortune Fortune may refer to: General * Fortuna or Fortune, the Roman goddess of luck * Luck * Wealth * Fate * Fortune, a prediction made in fortune-telling * Fortune, in a fortune cookie Arts and entertainment Film and television * ''The Fortune'' (19 ...
’s "50 Companies Leading the AI Revolution." It was also reported that 32% of technical roles and 43% of leadership roles (director or higher) at Drawbridge were filled by women. In 2018, Drawbridge sold its media business to Gimbal and was again named a CNBC Disruptor. In 2019, Drawbridge was acquired by
LinkedIn LinkedIn () is an American business and employment-oriented Social networking service, social network. It was launched on May 5, 2003 by Reid Hoffman and Eric Ly. Since December 2016, LinkedIn has been a wholly owned subsidiary of Microsoft. ...


Technology

At a high level, Drawbridge probabilistically determines whether two devices are used by the same person by analyzing various events occurring on the devices and the attributes that those events yield. In other words, Drawbridge observes a user's activities, primarily through the proxy of ads served to various devices (mobile device or desktop web), which gives them an ID. Since IDs are different across all the devices a user may interact with, Drawbridge then computes a confidence-score based on the likelihood that IDs from different sources belong to the same person or identity.


Reception

Most mainstream media outlets have been fairly receptive to Drawbridge's pairing technology. Predictably, technology focused media outlets have been borderline laudatory in their coverage while some blogs have voiced concerns that the technology is invasive and could lead to breaches of privacy.


Financials

Drawbridge has received funding from
Sequoia Capital Sequoia Capital Operations, LLC is an American venture capital firm headquartered in Menlo Park, California, specializing in seed stage, early stage, and growth stage investments in private companies across technology sectors. the firm had appro ...
,
Kleiner Perkins Kleiner Perkins, formerly Kleiner Perkins Caufield & Byers (KPCB), is an American venture capital firm which specializes in investing in incubation, early stage and growth companies. Since its founding in 1972, the firm has backed entrepreneur ...
, Northgate Capital, and Mitsui & Co. In 2016 the company announced the close of its $25M Series C round of financing, led by
Sequoia Capital Sequoia Capital Operations, LLC is an American venture capital firm headquartered in Menlo Park, California, specializing in seed stage, early stage, and growth stage investments in private companies across technology sectors. the firm had appro ...
. In 2018 the company announced an additional $15M raised from all of its existing VC investors, bringing its total capital raised to $70M.


References

{{Reflist, 2 Companies based in San Mateo, California