Which retail IoT innovation was first introduced by Amazon in their Amazon Go stores, revolutionizing the checkout process?

The Internet of Things (IoT) is transforming retail operations and customer experiences through smart, connected technologies. From inventory management to personalized shopping, IoT solutions are creating more efficient and engaging retail environments. This trivia question explores a groundbreaking IoT retail implementation that changed how we think about in-store technology. Test your knowledge about retail innovation in the connected age!

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Just Walk Out technology (computer vision and sensor fusion to enable checkout-free shopping)
Smart shopping carts with built-in scanners and payment processing
RFID-enabled fitting rooms that recommend complementary products
Automated inventory drones that scan shelves after hours