quora.comConsumer & LifestyleFounded: 2009Funding to Date: $226MM
Quora is a question-and-answer platform where users share their knowledge on a wide breadth of topics including science, politics, literature, and more. On Quora, questions can be asked, answered, edited, and organized by users. Quora was founded in 2009 by Adam D'Angelo and Charlie Cheever and is headquartered in Mountain View, CA.