Linden Lab CEO Rod Humble has announced on Facebook he's leaving the Second Life company after joining the firm in 2011. Humble said in the post he was "starting up a company to make Art, Entertainment and unusual things," and that more would be revealed in a few weeks. Before joining Linden Lab, Humble was EVP of the EA Play label and worked on The Sims 2 and 3, and before that he worked at SOE on EverQuest. Thanks, GI.biz.