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An edited collection of advanced computing news from Communications of the ACM, ACM TechNews, other ACM resources, and news sites around the Web.


Supermarkets Grapple with Checkout-Free Stores
From ACM TechNews

Supermarkets Grapple with Checkout-Free Stores

J Sainsbury recently opened a checkout-free shop in London's Holborn district, where Amazon and Tesco also operate checkout-free stores.
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