Amazon says it's closing down its palm-scanning system after not enough people used it

Amazon One offers a palm authentication service.

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• Amazon said it is discontinuing Amazon One.
• The technology enables users to use their palms for actions such as payments and venue check-ins.
• This comes after the company said it will close all its Amazon Fresh and Amazon Go stores.

Amazon will be discontinuing Amazon One, its palm-authentication service, across all retail businesses.

Users will be able to continue to...