Moving out of the closed portion of development, Microsoft is now publically releasing the beta of Windows Live QnA. A community-based brain-dump, it's similar to other question and answer services out there, whereby people can submit a question of any nature to (hopefully) get a valid response within a few days.
Driven mostly by entertainment, the public beta is already seeing questions such as “Why do all Microsoft operating systems suck?” and “What is the best internet site for people that work in the Carnival?”. But then again, you are just as likely to find interesting questions packed in with the funny or annoying ones, and Microsoft's QnA will allow questions to be tagged based on their content so that the person who answers them is most likely to have relevant knowledge. It's definitely interesting, though I wouldn't consider using it as a factual reference.