Which inventory tracking technology, first patented in 1973 and now considered the foundation of retail IoT, revolutionized supply chain management by enabling automated product identification?

The Internet of Things (IoT) has transformed retail inventory management with groundbreaking technological innovations. From RFID tags to smart shelves, these advancements have revolutionized how retailers track products, manage stock levels, and enhance customer experiences. This poll tests your knowledge about a pivotal IoT invention that fundamentally changed retail supply chains and inventory tracking worldwide. Do you know which revolutionary technology first enabled automated, real-time inventory management?

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Universal Product Code (UPC) barcode system
Radio-Frequency Identification (RFID) tags
Near Field Communication (NFC) chips
Electronic Article Surveillance (EAS) tags