Flock is a next-generation web browser developed by Flock, Inc. Built on Mozilla's code base, it integrates social- and Web-based applications such as Flickr, YouTube and Facebook directly into the browser, allowing users to view a snapshot of all their social feeds at once.

Flock 2.0 is based on Firefox 3. It is touted as more secure and faster than the previous version of Flock. Flock 2.0 includes MySpace integration and RSS Media Stream support. The browser already supports Facebook, Twitter, Digg, Gmail, YouTube and more.PC Magazine: Flock 2.0 Adds RSS... (October 15, 2008)