People are good at figuring out what's attractive, and computers are good at quickly searching and finding. You put them together, and bang!

The basic idea of Games With a Purpose is that we are taking a problem that computers cannot yet solve, and we are getting people to solve it for us while they are playing a game.

Science fiction has done a really good job of scaring us into thinking that computers shouldn't get too smart, because as soon as they get really smart, they're going to take over the world and kill us, or something like that. But why would they do that?