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Acquired byZynga

General Information


Menlo Park, USA
644 Menlo Ave.
Suite 203
Menlo Park, CA, 94025


VP, Engineering


TOTAL $28.3M
Angel, 1/2005
Bessemer Venture Partners
Catamount Ventures
Series A, 3/2005
Bessemer Venture Partners
Catamount Ventures
Series B, 11/2005
Bessemer Venture Partners
Series C, 6/2006
Shasta Ventures
Series D, 5/2008
Fidelity Ventures
Bessemer Venture Partners
Catamount Ventures
Shasta Ventures


Service Providers

Public Relations



Flock is a free web browser built on the Mozilla Firefox architecture.

Flock aggregates social networks, social media, webmail and related tools within the browser interface. With these tools you can keep your friends and media with you while you browse, and interaction with and between them is as simple as drag and drop. Flock has 23 services integrated, including Facebook, YouTube, Flickr, Twitter, and Digg. Along with these service integrations, Flock’s built-in blog editor and photo uploader deliver a whole browsing experience that is unparalleled by conventional browsers.

Recent Milestones

  • Handshake
    Flock was acquired by Zynga. (1/5/11)
    Posted 1/5/11 at 5:40pm via
  • Check
    Flock added Stefan Nikolic as Co-founder. (1/1/11)
    Posted 8/1/13 at 4:38am
  • Check
    Flock — Flock, Inc., recognized as one of the "Hottest Silicon Valley Companies" by Lead411 (5/25/10)
    Posted 7/8/10 at 6:06am via
  • Check
    Flock added Manish Singh as Director of Technology. (8/1/08)
    Posted 11/10/09 at 3:28pm
  • Check
    Flock — Flock 2.0 Beta released (6/1/08)
    Posted 8/13/08 at 2:32pm via
  • Dollar
    Flock received $15M in Series D funding. (5/22/08)
    Posted 5/21/08 at 7:12pm via
  • Check
    Flock — FLock 1.0 Released (11/1/07)
    Posted 8/13/08 at 2:30pm via
  • Check
    Flock added Dan Burkhart as VP, Marketing & Business Development. (9/19/07)
    Posted 8/13/08 at 2:27pm
  • Check
    Flock added Evan Hamilton as Community Ambassador. (1/1/07)
    Posted 7/9/10 at 2:58pm
  • Check
    Flock added Shawn Hardin as President & CEO. (11/7/06)
    Posted 8/11/07 at 4:08am
  • Check
    Flock added Chris Messina as Citizen Agency. (7/1/06)
    Posted 5/8/09 at 10:30am
  • Dollar
    Flock received $10M in Series C funding. (6/1/06)
    Posted 8/11/07 at 4:31am
  • Dollar
    Flock received $3.3M in Series B funding. (11/1/05)
    Posted 8/11/07 at 4:31am via
  • Check
    Flock added Manish Singh as Software Engineer/ Architect. (9/1/05)
    Posted 11/10/09 at 3:32pm
  • Dollar
    Flock received in Series A funding. (3/1/05)
    Posted 8/11/07 at 4:21am
  • Dollar
    Flock received in Angel funding. (1/1/05)
    Posted 8/11/07 at 4:21am



Flock’s presentation at TC40 2007.

Added: 4/5/08



Flock browser
Launch DateAugust 11, 2007
Tags social-media-web-browser

The new Flock is the first social media browser to organize and manage social media, email and search, all on one screen. Flock’s unique scrolling sidebar incorporates all social networking posts and tweets to one side of the computer’s screen, allowing users to control the way digital data comes to them.

The New Flock helps you discover the best of the modern Web, easily managing valued relationships and cutting through the clutter online. It keeps people connected with their friends and favorite content in real time, while surfing the Web. For example, consumers can now Group people, topics and information so that they can “channel surf” the Web and switch the Flock Sidebar view so to see and engage with the conversations and information they find most interesting at any given moment. The new Flock browser is also the best place to easily search a personal social network with a new feature, What Your Friends are Saying. And, as the first major browser other than Google Chrome to be built on the Chromium platform, the new Flock is superfast.

Flock is available for a free download at

Flock screenshot
Above: Flock browser Screenshot -- #1
Uploaded: 8/20/08
Flock screenshot
Above: Flock news page
Uploaded: 9/3/10
Flock screenshot
Above: Flock Groups page
Uploaded: 9/3/10



Walt Mossberg reviews Flock

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  1. Zynga To Acquire Flock, The Social Browser That You Never Used ( [edit]
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  6. Social Browser Flock Raises $15 Million Fourth Round ( [edit]
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    Lead411 launches "Hottest Silicon Valley Companies" awards ( [edit]
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Last Edited 2/25/14

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