Which retail innovation, first used commercially in 1974 on a pack of Wrigley's chewing gum, has saved the retail industry billions in inventory costs and revolutionized checkout systems?

Test your knowledge about a pivotal retail innovation that revolutionized how we shop and transformed inventory management forever. This seemingly simple technological advancement fundamentally changed checkout processes, inventory tracking, and supply chain management across the entire retail industry. How well do you know this game-changing retail technology?

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Universal Product Code (UPC) barcode system
Electronic Article Surveillance (EAS) anti-theft tags
Electronic Point of Sale (EPOS) systems
Radio-Frequency Identification (RFID) tags