https://www.instacart.com/company/updates/shoprite-of-spotswood-and-fairway-market-to-introduce-new-smart-carts-powered-by-instacart
ShopRite of Spotswood and Fairway Market to Introduce New Smart Carts Powered by Instacart |...
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https://www.theverge.com/2018/3/22/17153050/walmart-patents-drone-shopping-assistants-smart-shopping-carts
Walmart files patent applications for drone shopping assistants and smart shopping carts | The Verge
Mar 22, 2018 - Walmart filed a host of patents today that have to do with how it keeps track of inventory and could change the way its customers shop.
files patentwalmartdronesmart