An anonymous reader writes "Facebook, which is set to go public next week, has spawned a wave of startups based on its apps platform, particularly in the Bay Area. A University of Maryland study estimates that at the Facebook ecosystem supports at least 18 times as many jobs as the parent company itself. The Mercury News article contains a chart of the top 20 Facebook apps developers in the Bay Area, based on active users; Zynga is #1 by a large margin. Meanwhile, some social networking entrepreneurs are trying to avoid becoming dependent on Facebook's platform."
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