Which retail IoT innovation was first implemented at scale by Amazon in their Amazon Go stores, fundamentally changing the checkout experience?

The Internet of Things (IoT) is transforming retail environments worldwide, creating unprecedented shopping experiences and operational efficiencies. From smart shelves that monitor inventory in real-time to interactive mirrors that enhance the fitting room experience, IoT technologies are reshaping how consumers interact with products and brands. Test your knowledge about this cutting-edge intersection of technology and retail that's quietly revolutionizing the shopping experience.

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Computer vision and sensor fusion technology for cashierless checkout
RFID-enabled smart fitting rooms
Blockchain-based supply chain tracking
NFC-powered product information displays