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A comment on Amazon's latest grocery store concept opens, with high-tech carts. Parent comment
You sign in by holding your phone with the Amazon app (QR code) up to a camera. Then scan every item as you place it in the cart. It has some load sensors so that it can weigh items that are sold by weight.
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You sign in by holding your phone with the Amazon app (QR code) up to a camera. Then scan every item as you place it in the cart. It has some load sensors so that it can weigh items that are sold by weight.