Casinos Onto iPhone Card-Counting App
By Neal Colgrass,  Newser Staff
Posted Feb 16, 2009 6:10 PM CST
Leonard R. Jacobson, 65, of Atlanta watches the inauguration of President Barack Obama at the Mirage casino race and sports book in Las Vegas on Tuesday, Jan. 20, 2009.   (AP Photo/Isaac Brekken)
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(Newser) – Las Vegas card-counters beware, if you're using an iPhone, the Las Vegas Review-Journal reports. A California gaming authority has tipped off Nevada officials about an iPhone program that helps users count cards in blackjack. "The program calculates the true count and does it significantly more accurately," a Gaming Control Board memo said.

Counting cards is legal in Vegas casinos, but using a device to aid counting is a felony under Nevada law. Casinos can decide individually how to handle cell phone policies, a gaming official said, but it may get tricky—the iPhone app, which also works on iPods, can work in "stealth mode" with the screen shut off.