Yahoo answers

Yahoo Web search service launched YAHOO ANSWERS ! . Yahoo! Answers is a free service that "will help Web users find, use, share and expand all human knowledge. Through using Yahoo! Answers, consumers can more easily share their knowledge, personal experiences and opinions with their community to resolve everyday questions not answered by keyword searches. By archiving and categorizing users' questions and answers by topic, and making it searchable, users will be able to quickly tap into the repository of rich knowledge from the community."
 

Via physorg.com