SIAP or if this is old news... If you haven't seen this yet, give it a shot:

http://us.akinator.com/

Pretty impressive little game, the "Akinator" will guess any character, real or fictional, that you can think of, and usually within 20 questions. It was blowing my mind for a while. It has some weak points that you'll see if you really push it to the limit--but still a pretty damn impressive little database. And the coolest part--it's learning, so it's only going to be smarter a few months or years from now