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Young woman taking a self picture

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Selfies could soon be useful for something other than practicing your duck face. MasterCard is going to begin experimenting this fall with using selfies as a way to approve online payments to reduce fraud.

According to CNN, it would work by having users check out by putting their smartphone cameras up to their faces and blinking once.

The aim of the blinking is to prevent a thief from using a selfie of someone and uploading it as a way to get around the selfie security system.

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