Bring me the hand of Bill Gates…

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. (NYSE:KR – news), 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.

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Yeah. Like I would tell you....