Which technology does Amazon Go primarily use to track items being taken off shelves without requiring customers to scan products?

Amazon Go stores represented a major disruption in retail technology when they first appeared. These cashierless stores use a sophisticated system of cameras, sensors, and AI to track what customers pick up and automatically charge their accounts when they leave. This poll tests your knowledge about this retail technology advancement that has influenced the entire industry and sparked numerous competitors to develop similar systems.

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RFID (Radio-Frequency Identification) tags embedded in all products
Computer vision and deep learning algorithms that can identify products being handled
Weight sensors on each shelf that detect when items are removed
Bluetooth beacons that communicate with customers' smartphones to track product interactions