Question & Answer Sites
Answerbag - (45 visits)
http://www.answerbag.com/
Askville - by Amazon (55 visits)
http://askville.amazon.com/
Google Answers - no longer accepting new questions (43 visits)
http://answers.google.com/
Live QnA - by Microsoft (71 visits)
http://qna.live.com/
What's the Best Q&A Site? - "We put Yahoo Answers, Amazon's Askville, and rival question-and-answer services to the test." (76 visits)
http://www.technologyreview.com/printer_friendly_article.aspx?id=17932
Wondir - (58 visits)
http://www.wondir.com/
Yahoo! Answers - (51 visits)
http://answers.yahoo.com/
Yedda - (48 visits)
http://yedda.com/