Which retail technology innovation, invented in 1974 by Norman Joseph Woodland and Bernard Silver, was first used commercially at an Ohio supermarket and now facilitates trillions in transactions annually?

Throughout history, technological innovations have dramatically transformed the retail landscape. From humble beginnings to sophisticated systems, these inventions have revolutionized how consumers interact with products and how retailers manage their operations. This trivia question focuses on a pivotal invention that fundamentally changed retail logistics and customer experience worldwide. Test your knowledge about the technological milestones that shaped modern commerce!

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Universal Product Code (UPC) barcode system
Electronic point-of-sale (EPOS) terminal
Radio-frequency identification (RFID) tags
Self-checkout kiosk technology