Which retail innovation, first used commercially in 1974 on a pack of Wrigley's gum, is credited with saving retailers billions annually and revolutionizing inventory management?

Test your knowledge about one of the most significant retail innovations that transformed how consumers shop and revolutionized supply chain management. This invention fundamentally changed inventory tracking, checkout efficiency, and consumer purchasing patterns worldwide. While we take it for granted today, this technology represented a breakthrough moment in retail history when it was first implemented.

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UPC Barcode System
Electronic Point of Sale (EPOS) System
Radio-Frequency Identification (RFID) Tags
Self-Checkout Kiosks