http://www.usatoday.com/tech/news/co...g_N.htm?csp=34
sigh.
my favorite quote involved this nifty bit of bot-detection logic:
"The bots are prevalent," says Anna Calder, an online poker player from Canada, where such gambling is legal. "If you suspect you're playing a bot, you send an (instant message) and attempt to chat with them. They usually don't reply, but some are programmed to respond, "I do not chat."