XKCD says:

In reality, however, you just lost it.
RULE 1: You are playing The Game.
RULE 2: Whenever you think about The Game, you lose.
RULE 3: Loss must be announced.
Jenne made me lose The Game, now it's your turn to lose it.
Or, if you're late, everyone might beat you to it.
The world will lose The Game on August 8th (08/08/08) at the Olympics.Welcome to The Game, you just lost.
If you're still fuzzy,
here are the rules with more detail.Sources:
http://xkcd.com/391/
http://losethegame.com/default4.htm
http://ilostthegame.org/