Which retail payment system invention, first demonstrated in 1973, used a barcode reader to scan product information and revolutionized checkout efficiency?

The history of retail is filled with inventions that transformed how we shop and pay for goods. From manual cash registers to contactless payments, technological advancements have continually reshaped the retail landscape. This trivia question focuses on a pivotal invention in retail payment systems that fundamentally changed how transactions are processed worldwide. Test your knowledge about this revolutionary technology that bridged the gap between traditional in-person shopping and the digital age.

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• The Universal Product Code (UPC) scanner
• The magnetic stripe credit card reader
• The EMV chip card terminal
• The NFC contactless payment system

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