Which scientific retail innovation was first introduced by Amazon in their Amazon Go stores, allowing customers to shop without traditional checkout?

The intersection of science and retail has led to groundbreaking innovations that have transformed how consumers interact with products. From advanced analytics to novel materials science applications, scientific breakthroughs continue to reshape retail experiences. This trivia question explores a significant scientific retail innovation that changed consumer behavior and industry standards. Test your knowledge about how science has revolutionized the retail landscape!

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Just Walk Out technology (computer vision, sensor fusion, and deep learning)
Quantum encryption payment processing
Neuromorphic shopping assistants
Molecular scanning for automatic product identification