Cashless consumers can now "blink" for strawberry Slurpees and feed the meter using their cell phones. Chase Bank U.S.A. has rolled out new credit cards with "blink": wave the card within 2 in. of a reader and a "beep" eliminates the need for a swipe, PIN or signature. Blink cuts purchase time 10% to 40% and increases spending about 20% over using cash, says Chase. There's a variable credit limit and, as with all other credit cards, minimal liability for lost or stolen plastic. One million MasterCard and Visa blink cards will be issued by summer's end, so companies such as...
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