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Amazon Just Launched Technology That Could Change Everything From Buying Groceries to Boarding Airplanes

Amazon One means you may not need a credit card or even a smartphone to pay for what you buy.

New Amazon technology, introduced at two Amazon Go stores this week, lets shoppers pay for purchases by holding their hands over a scanner. The system, called Amazon One, may herald a new way of identifying yourself and paying for things that could change the way people shop, enter concerts, use public transportation, and many other things.

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You’ve probably used a fingerprint scanner or facial recognition to unlock your smartphone. You already know that your voice and your retinas can be used to positively identify you and give you access to your various devices, and possibly to secure government