The best business community for any topic. Founder: Jason Calacanis Jason Calacanis co-founded and was the CEO of Weblogs, Inc., a network of popular weblogs that was sold to AOL in November 2005. Upon joining AOL, he was appointed senior vice president. In addition, he was named general manager of AOL’s Netscape and was responsible for the July 2006 relaunch of the iconic browser as a social bookmarking news site. Investors include: Sequoia Capital, CBS, Elon Musk, Matt Coffin, Mark Cuban, Mark Pincus and Fred Wilson.