What innovative technology was PRIMARILY responsible for enabling Amazon Go's 'Just Walk Out' shopping experience when it first launched?

Amazon Go stores represent one of the most significant innovations in retail technology in recent years, using a combination of computer vision, sensor fusion, and deep learning to create a checkout-free shopping experience. This poll tests your knowledge about this groundbreaking retail concept that has changed how retailers think about store layouts, customer experience, and operational efficiency in the physical retail space.

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RFID (Radio-Frequency Identification) tags on all products
Computer vision and deep learning algorithms with overhead cameras
Weight sensors in smart shopping carts
NFC (Near Field Communication) chips embedded in store shelving