The Sudden, Mysterious Exit Of A Quora Cofounder Has Silicon Valley Baffled Posted by eb007 on Tuesday October 02, 2012 @10:31PM from the businessinsider.com dept. http://www.businessinsider.com/the-sudden-mysterious-exit-of-a-quora-cofounder-has-silicon-valley-baffled-2012-10 ( 1 comment | on HN )