This post is a bit of a bookmark for me, but I thought I'd share it. If you have a random burning question you'd like to answer, there are some websites that let you post your questions and let (millions) others answer it. What's nice is that the questions can be very diverse, deep, relating to technical issues, everyday life... well, anything!

By far, the best such service out there is Yahoo! Answers. Yahoo promoted this service heavily, and the end result is that millions of people use it, both asking questions and anwering them. You can also subscribe to RSS feeds for the categories or even searches. It's all free too. Very cool.

Update: Google Answers is no more. Google has a similar offering, called Google Answers. You have to pay to get answers. Personally, I don't like the interface (typical of the spartan Google designs). It should be your second port of call.

If found another service today, called Quick Answers. They don't have a science category (gasp!), but cover pretty much everything else. You have to pay a minimum of $20 for a question.

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