Which retail innovation was first tested on a pack of Wrigley's Juicy Fruit gum in 1974, leading to a revolution in product tracking and inventory management?

The retail landscape has been transformed by numerous inventions throughout history. From the humble barcode to sophisticated AI shopping assistants, technological breakthroughs have revolutionized how we buy and sell products. This poll tests your knowledge about a famous product innovation that dramatically altered retail operations worldwide. Can you identify which invention truly revolutionized inventory management and checkout efficiency?

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RFID tag
UPC barcode
Self-checkout kiosk
Electronic price tag