Which retail innovation was first introduced by IBM in 1973, but only became widely adopted in retail stores during the mid-1980s, revolutionizing checkout efficiency?

The retail landscape has been transformed by numerous technological innovations throughout history. Some inventions have completely revolutionized how we shop and interact with products. This trivia question focuses on a groundbreaking retail innovation that fundamentally changed the customer experience and created an entirely new approach to product purchasing. Test your knowledge about this transformative retail discovery!

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Universal Product Code (UPC) barcode scanning
Electronic point-of-sale (EPOS) systems
Self-checkout kiosks
RFID inventory tracking