Which retail innovation, invented by Norman Joseph Woodland and Bernard Silver in 1952, was first used commercially in 1974 at a Marsh Supermarket in Ohio to scan a pack of Wrigley's gum?

The retail landscape has been dramatically transformed by technological innovations throughout history. From the humble barcode to sophisticated AI-powered systems, certain inventions have revolutionized how products are sold, marketed, and purchased. This trivia question explores one of the most significant retail inventions that changed consumer shopping behavior worldwide and created new possibilities for inventory management and customer convenience.

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Universal Product Code (UPC Barcode)
Electronic Article Surveillance (EAS) anti-theft tags
Self-checkout kiosk
Point of Sale (POS) digital terminal