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9. … or paying with the wave of a hand
Many smartphones now allow us to pay with a fingerprint, and it’s only a matter of time before this technology becomes commonplace in stores too. In an ahead-of-the-curve branch of 7-Eleven in Seoul, South Korea, biometric verification technology is already being used to scan the vein patterns in shoppers’ hands, meaning they can literally pay with the swipe of a hand.
