“Former Facebook Hands Capitalize on Buzz”. Wall Street Journal. 2012年7月17日閲覧。 “Quora raised $50 million in a new financing that values it at $400 million, up from a valuation of around $86 million two years ago, said people familiar with the matter. The new financing round is led by Facebook board member Peter Thiel, who invested with his own personal funds”, May 15, 2012
