The xkcd survey
This is an anonymous survey. After it's done, a database of everyone's responses will be posted.
There's no specific reason for any of the questions. The goal is to create an interesting and unusual data set for people to play with. (This is obviously not going to be a real random sample of people, but in the interest of getting cooler data, if you're sharing this with friends, try sending it to some people who wouldn't normally see this kind of thing!)
WARNING: This survey is anonymous, but your answers WILL BE MADE PUBLIC. Depending what you write, it's possible that someone may be able to identify you by looking at your responses. None of these questions should ask about anything too private, but don't write anything that you don't want people to see. If you're not comfortable answering a question, just skip it.