Bill Kaplan, who is part of the basis for Kevin Spacey's 21 movie character, talks about the origins of the MIT blackjack team.

Jeff Ma explains how to count cards in blackjack. For example, he points out that when there are a lot of low cards left in the deck, it's in the dealer's favor, and when there are a lot of high cards left in the deck, it's in the player's favor.

Mike Aponte, the basis for the Jimmy Fisher character in the movie 21, discusses what count values to assign to which groups of cards in blackjack.

An interview with John Chang, the inspiration for Kevin Spacey's character in the movie 21. Chang talks with FOX Business analyst Neil Cavuto, who asks him about the movie and why he's wearing a disguise.

21 Movie Trailer for the fact-based story about six MIT students who were trained to become experts in card counting and subsequently took Vegas casinos for millions in winnings. The film stars Jim Sturgess, Kate Bosworth and Kevin Spacey. It is based on the book Bringing Down the House by Ben Mezrich.