Which invention, first patented in 1952 but not widely adopted in retail until the 1970s, revolutionized product identification and is estimated to save the retail industry billions annually?

Test your knowledge about one of the most transformative technological discoveries that revolutionized retail product development and consumer engagement. This innovation fundamentally changed how products are tracked, inventoried, and purchased across the global retail landscape, representing a pivotal moment in retail efficiency and supply chain management.

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Universal Product Code (UPC) barcode system
Electronic article surveillance (EAS) tags
Point-of-sale (POS) computerized cash registers
Radio-frequency identification (RFID) tags