What technology forms the backbone of Amazon Go's checkout-free shopping experience?

Amazon Go pioneered a new retail concept that eliminated traditional checkout processes. This innovation sparked a wave of similar technologies across the retail industry, changing how consumers interact with physical stores. Test your knowledge about this groundbreaking retail innovation that merged digital capabilities with brick-and-mortar shopping experiences.

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RFID tags on all products that automatically scan when leaving the store
Computer vision, sensor fusion, and deep learning (Just Walk Out technology)
Mandatory smartphone scanning of each product by customers
Embedded microchips in shopping bags that detect product weights