Which revolutionary retail technology was first tested at an Ohio supermarket in 1974, with a pack of Wrigley's chewing gum becoming the first product to use this invention commercially?

The retail landscape has been transformed by technological inventions and discoveries that changed how we shop forever. From barcode scanners to AI-powered recommendation engines, these innovations have reshaped customer experience and business operations. Test your knowledge about the groundbreaking retail technologies that revolutionized the industry and continue to evolve the shopping experience worldwide.

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Universal Product Code (UPC) barcode scanner
Electronic point-of-sale (EPOS) system
RFID (Radio-Frequency Identification) tag
Self-checkout kiosk