Best ID Ever! asks: "Poker, a fascinating intersection of math, game theory, and observation of human behavior, is currently exploding in popularity due to televised high-stakes tournaments such as the World Poker Tour and Binion's 2003 World Series of Poker. Many of today's top professional players have nerdly roots such as Mathematicians, chess prodigies, or backgammon champions. A few pros, including 2000 champion Chris Ferguson, even used to play poker in the IRC poker community. This year's World Series final event, which began Saturday and lasts through the week, drew 2600 participants, more than three times the number of participants in 2003. How many Slashdot readers play poker, and what do you think of Poker's upswing?"