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Kroger Lets Shoppers Pay Via Fingerprint NEW YORK (Reuters) - Suppose you endured the checkout line at the grocery store only to find that you were short on cash, or you'd forgotten your wallet. What if you could settle the bill with just the touch of your finger? Kroger Co., the largest U.S. supermarket chain, is offering some customers just that opportunity, testing finger imaging as a method of payment in three of its Texas stores. A machine scans the index finger, matching the customer's unique fingerprint with the individual's account. The company avoids the term 'fingerprinting' because of its law enforcement connotation -- the same reason the technology is applied to the index finger, rather than the thumb. Customers can register for the voluntary program by presenting a drivers license, an index finger and a method of payment -- either credit card, debit card or electronic check....
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