Christopher Jacques, 22, uses his index finger to pay for an Italian soda at a coffee shop at the South Dakota School of Mines and Technology on Feb. 15, 2013.
Credit: AP Photo, Amber Hunt
Futurists have long proclaimed the coming of a cashless society, where dollar bills and plastic cards are replaced by fingerprint and retina scanners smart enough to distinguish a living, breathing account holder from an identity thief.
From Associated Press
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