Which retail technology innovation, first introduced commercially in 1974, revolutionized inventory management and is credited with saving retailers billions annually?

The retail landscape has been dramatically transformed by technology over the past decades. From brick-and-mortar stores to e-commerce giants, technological innovations have revolutionized how consumers shop and how retailers operate. This trivia question focuses on one of the most significant retail technology breakthroughs that changed the industry forever. Test your knowledge about the retail technology that fundamentally altered shopping behaviors worldwide!

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Universal Product Code (UPC) barcode scanning
Electronic point-of-sale (EPOS) systems
Radio-frequency identification (RFID) tags
Electronic shelf labels (ESL)