He's Facebook's strategic thinker on the next big thing in social media -- which isn't the redesign of Facebook's home page, but identity protection on the Web. The issue is who is going to set the standards for open-identity protocols that would enable you to safely take your online profile and relationships with you everywhere you go on the Internet. Dave Morin's team recently launched its own open-identity application, Facebook Connect, which lets users log in to some 8,000 sites and applications. Now, Morin crisscrosses the globe to conferences and Open ID meet-ups -- an ambassador for the notion that Facebook can play well with others. "Having control of who can see you and your data is what the Internet has always needed," he says. -- by Ellen McGirt