Slideshow: Who's Holding the Aces Now?

Card counters have been the bane of casinos for years, and the methods used to track them are terribly imprecise. New technology zeroes in on the counter, even though it's not supposed to be used that way. By Daniel Terdiman.
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An El Dorado casino dealer sets up a blackjack game at a MindPlay MP21 table. The high-tech system can help casinos spot card counters.Courtesy of MindPlay

See related story: Who's Holding the Aces Now?

A graphical representation of play at a MindPlay blackjack table. Casinos say the system which can help spot card...

A graphical representation of play at a MindPlay blackjack table. Casinos say the system, which can help spot card counters, tracks gamblers' play for legitimate purposes, such as increasing the accuracy of comp programs that reward frequent players.

Courtesy of MindPlay