Which retail innovation, invented in 1952 by Norman Joseph Woodland and Bernard Silver, was first commercially implemented in 1974 on a pack of Wrigley's chewing gum?

The retail landscape has been transformed by numerous technological innovations throughout history. Some inventions fundamentally changed how consumers interact with products and brands, creating entirely new shopping paradigms. Test your knowledge about a groundbreaking retail technology that revolutionized inventory management and product identification worldwide.

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Barcode (Universal Product Code)
Electronic Article Surveillance (EAS) tags
Electronic Point of Sale (EPOS) system
Radio-frequency identification (RFID) tags