Which IoT invention, discovered in 1973 but first commercially used in retail in 1974, revolutionized supply chain management and is now used in over 5 billion products daily worldwide?

The Internet of Things (IoT) has dramatically transformed the retail landscape through innovative inventions and discoveries. From inventory tracking to customer experience enhancement, IoT technologies have revolutionized how retailers operate and interact with consumers. This trivia question explores a groundbreaking IoT invention that changed retail forever. Test your knowledge about the technological discoveries that shaped modern shopping experiences!

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RFID (Radio-Frequency Identification)
Electronic Shelf Labels (ESL)
Smart Shopping Carts
Automated Checkout Systems