Which retail technology innovation, first implemented in 1974 at an Ohio supermarket, used a Universal Product Code (UPC) to revolutionize inventory management and checkout?

The history of retail is filled with groundbreaking innovations that transformed how we shop. From the introduction of price tags to digital payment systems, retail technology has continuously evolved to meet changing consumer demands. This trivia question focuses on one of the most significant technological shifts in retail history that fundamentally changed store operations and customer experiences worldwide. Test your knowledge of this pivotal moment in retail history!

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Electronic barcode scanner
Self-checkout kiosk
Digital cash register
Electronic shelf labels