COOL! I'll be in San Francisco in September for a business trip and plan to attend a game. I'll have to bring the wife's WiFi PDA to that game.
http://www.cnn.com/2004/TECH/fun.games/03/31/wifi.baseball.reut/index.html
http://www.cnn.com/2004/TECH/fun.games/03/31/wifi.baseball.reut/index.html