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Spurred by Amazon, supermarkets try swapping cashiers for cameras Several grocers are testing cashierless stores with cameras that track what shoppers pick, so they pay by simply walking out the door Technology :- A man walked around the treat walkway of a supermarket in England a month ago, grabbed a bar of chocolate and reserved it in his back pocket. He wasn’t taking. Uncommonly prepared observation cameras were following the two his body and the items he was removing the racks, to enable him to pay for them. Tesco PLC, one of the world’s biggest market administrators, exhibited this innovation as of late to speculators, naming it as one of the retailer’s enormous thoughts for making shopping at its physical stores increasingly helpful. Tesco is one of the few food merchants testing cashierless stores with cameras that track what customers pick, so they pay by basically exiting the entryway. The retailers trust the innovation — like that spearheaded by Amazon.com Inc ...