Which food retail technology innovation was first widely adopted by Amazon in their Amazon Go stores, revolutionizing the checkout experience?

The food industry has undergone massive technological transformations in recent years, changing how we order, prepare, and experience food. From AI-powered recipe recommendations to innovative POS systems, technology has revolutionized customer experiences in restaurants and food retail. This trivia question tests your knowledge about a groundbreaking food retail technology that has significantly impacted the customer journey and operational efficiency.

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Just Walk Out technology (computer vision and sensor fusion for automated checkout)
Smart shopping carts with built-in scanners and payment systems
RFID-enabled plates that track food consumption in buffet settings
Blockchain-based food origin verification kiosks