Quora

Quora is a question-and-answer website where questions are asked, answered, edited, and organized by its community of users in the form of opinions.
Its publisher, Quora Inc., is based in Mountain View, California. The company was founded in June 2009, and the website was made available to the public on June 21, 2010.
Founded: June 2009
CEO: Adam D'Angelo (Jun 2009–)
Headquarters: Mountain View, California, United States
Founders: Adam D'Angelo, Charlie Cheever