What technology is NOT used in Amazon Go stores to enable their 'Just Walk Out' cashierless shopping experience?

Amazon revolutionized physical retail with its cashierless store concept, Amazon Go. This innovative approach combines computer vision, sensor fusion, and deep learning to create a frictionless shopping experience. Test your knowledge about this retail technology advancement that has influenced the entire industry's approach to checkout processes and customer experience.

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RFID chips embedded in all products
Computer vision systems with multiple cameras
Weight sensors on shelves
Deep learning algorithms for product recognition