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From the article:
"Both supermarket chain Wegmans and Amazon Fresh stores had previously implemented some form of a “just walk out” self-checkout system. In the case of Wegmans, you skipped the checkout line by using an app to scan your groceries as you go. Amazon Fresh implemented decidedly creepier technology that tracks which items you pick up and put down, charging you for whatever is in your cart when you leave. However, both stores are now suspending the use of these technologies." Read the whole article here