After working your butt off for three weeks, one might want to do something else.
When I'm not sleeping, I like to improve my house, apart from my work for Anime 2008 and a few other hobbies; other people decide to get creative in a different way.Making music with Windows sounds
, for instance, or gathering a whole bunch of your friends, distant relatives and total strangers to play Human Space Invaders
(this guy also made similar movies involving Pole Position
I leave you with another classic I saw about ten years ago for the first time: Ping pong, Matrix style