Which technology-driven grocery store innovation was first successfully implemented by Amazon in their Amazon Go stores and has since been adopted by other food retailers?

The food retail landscape has been transformed by technology in recent years. From AI-powered inventory management to personalized shopping experiences, grocery stores are embracing digital innovation to enhance customer satisfaction and operational efficiency. This poll tests your knowledge about a groundbreaking food retail technology that's changing how consumers shop for groceries. Can you identify the correct technological advancement that's reshaping the industry?

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Just Walk Out technology (cashierless checkout using computer vision and sensor fusion)
Hydroponic vertical farming integrated within store aisles
Blockchain-based supply chain tracking visible to customers via in-store terminals
Robotic shopping carts that follow customers and suggest recipe pairings