Along with Dave Hyatt, Ross began the Mozilla Firefox project, with the goal of creating a more user-friendly web browser. In 2003, he began devoting all of his time and energy to developing Firefox. Firefox was presented in 2004, and in just a few months it already had been downloaded 100 million times. In 2006 Blake Ross and partner, Joe Hewitt (creator of Firebug) launched a company called Parakey, which was purchased by Facebook in 2007. Today Ross a Director of Product at Facebook.