Biometrics for payments, not tracking customers in Amazon Just Walk Out stores

Amazon says the Just Walk Out store in the Seahawks' Lumen Field NFL stadium launched last year is a rousing success. The AI system allows fans to enter a concession stand, grab what they want, and walk directly back to their seats without going through a checkout process. A Just Walk Out store in the stadium saw double sales when compared to the previous store in the same location.

Those entering the store can use a credit card at the …

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