Flock is a web browser providing social networking and Web 2.0 facilities.
Acquired by Zynga
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.