Perhaps coming soon to a Whole Foods near you
"Shoppers visiting an Amazon Go store will scan their smartphones upon entering. Cameras and shelf sensors will then work together to figure out which items have been removed and who removed them, the person says; there will be no need for tracking devices, such as radio frequency chips, embedded in the merchandise. When shoppers leave, algorithms will total the order and bill their Amazon account.Amazon’s Cashierless Store Is Almost Ready for Prime Time - Bloomberg
The system is working well for individual shoppers but still struggles to accurately charge people who are moving around in groups, such as families with grabby kids, the person says. Go engineers have been studying families shopping together and are tweaking their sensors to recognize when a child eats an item while wandering around the store. Engineers are also figuring out which person to charge when a couple goes shopping together. Amazon has encouraged employees to enter the store in pairs and buy lunch."