Which retail IoT technology was first pioneered by Amazon in their Amazon Go stores and has since been adopted by other retailers to eliminate traditional checkout processes?

The Internet of Things (IoT) has fundamentally changed how retailers operate and interact with customers. From inventory management to customer experience, IoT technologies are creating smarter, more efficient retail environments. This trivia question tests your knowledge about a significant retail IoT innovation that has become increasingly common in modern stores. Can you identify which technology is transforming physical retail spaces through advanced data collection and customer insights?

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Just Walk Out technology (computer vision and sensor fusion)
RFID-enabled smart shopping carts
Blockchain-based payment verification systems
Facial recognition loyalty program kiosks