Which pioneering retail technology did Amazon first introduce in its Amazon Go stores that eliminated traditional checkout lines?

Amazon revolutionized retail with various technological innovations, but one particular implementation changed how physical retail spaces operate forever. Test your knowledge about this game-changing retail technology that transformed customer experience and operational efficiency in brick-and-mortar stores.

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Just Walk Out technology (using computer vision, sensor fusion, and deep learning)
Smart Cart system (using weight sensors and barcode scanners in shopping carts)
RFID-enabled automatic billing (using radio frequency identification tags on all products)
Facial recognition payment systems (using biometric authentication at store exits)