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Scan and Go crosses the pond

Sainsbury's supermarket in London is currently testing the Scan and Go self-checkout app that made headlines in the U.S. when Walmart piloted the program. The customer logs in by scanning a QR code when they arrive, and then scan the QR codes on packaging or on the shelf next to the price information, according to an article on Loose items like fruit and vegetables are weighed on scales, and a QR code is printed out which can be scanned by the app.

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