Flock The Social Web Browser - is built on Mozilla's Firefox codebase. Building on Flock's award winning 1.0 release, Flock 1.1 allows for easy integration of 18 different social services to put you at the center of your social experience on the web. This browser is built for the way that people use the web today for social networking, blogging, photo sharing, and media consumption. Download today, and meet your new favorite browser. Version 1.1 adds support for Gmail, Yahoo Mail, Picasa, as well as performance and stability enhancements. Flock version 1.1 added Gmail, Yahoo Mail and Picasa support.