Yahoo! Answers is a community-driven website launched by
Yahoo! on December 13, 2005 that allows users to ask questions of other users and answer other users' questions. The site gives members the chance to earn points as a way to encourage participation and is based on
Naver's Knowledge iN. As of
November 2006, it contains 65 million answers and more than 7 million questions. On June 11, 2007, Yahoo!'s former questions and answers service, Ask Yahoo!, was formally merged with Yahoo! Answers
See more at Wikipedia.org...