What technology does Amazon Go primarily use to track items customers pick up in their stores?

Amazon Go stores revolutionized retail technology with their 'Just Walk Out' shopping experience. These cashierless convenience stores use a sophisticated combination of computer vision, sensor fusion, and deep learning to automatically detect when products are taken from or returned to shelves. Test your knowledge of this groundbreaking retail technology that has changed how we think about frictionless shopping experiences and store operations.

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Computer vision and sensor fusion with deep learning algorithms
RFID tags on all products connected to a central database
Bluetooth beacons that connect to customers' smartphones
Weight sensors on shelves that detect product removal