What gift are you gonna get for science this year? Sure you might not adhere to the religious dogma that dictates you should give a gift, or any religious dogma for that matter, but that's no excuse. Everybody deserves a present, even science. And I don't think you can complain, when such a present doesn't cost a cent:
Come on, do your part and sacrifice a little CPU and help the search for gravitational waves. Not to mention, it has really cool graphics.