How to Win at Tic Tac Toe

Tic-tac-toe is a quick but rarely interesting game that usually ends in a draw, unless you are playing someone who is new to the game. That's why it's usually considered a children's game. If you want to memorize the best tic-tac-toe moves, you get that in less than two minutes here. The rest of the video is the theory behind mathematical games. (via Digg)