Quora and Fixya are two popular question-and-answer sites. Quora allows users to submit questions and registered moderators verify, answer and discuss answers to the questions. Fixya is a similar site, but focused on consumer products.
Quora has become one of the most prominent online question-and-answer sites. Launched in 2009, Quora has been mentioned in USA Today and the New York Times.
Launched in 2005, Fixya specializes in electronics-related questions. The site has won praise from the New York Times, PC Mag, Mashable, the Hollywood Reporter and others. Fixya also has a mobile app, allowing users to upload questions from their mobile devices.