Which groundbreaking invention first allowed retailers to automatically scan product information at checkout, revolutionizing point-of-sale systems in the 1970s?

The history of retail technology has transformed how we shop and how merchants operate. Point-of-sale (POS) systems represent one of the most significant technological leaps in retail history, evolving from simple cash registers to sophisticated business management platforms. This trivia question focuses on a pivotal moment in POS development that changed retail forever. Test your knowledge about this transformative retail innovation!

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• The UPC barcode system, first commercially used at Marsh Supermarket in 1974 on a pack of Wrigley's chewing gum
• IBM's electronic cash register Model 3653, featuring the first digital price lookup functionality in 1973
• NCR's electronic register with magnetic stripe reader, first implemented by Sears in 1972
• The Verifone ZON payment terminal that first integrated credit card processing at the point of sale in 1979

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