Which retail payment system invention was first successfully used in 1974 at a Marsh Supermarket in Ohio, fundamentally changing how products are identified and processed at checkout?

The retail landscape has been dramatically transformed by technological innovations throughout history. One of the most impactful advancements has been in payment systems, which revolutionized how consumers interact with merchants. This poll tests your knowledge about a pivotal invention that changed retail transactions forever, enabling faster checkout experiences and opening the door to modern electronic commerce as we know it today.

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Universal Product Code (UPC) barcode scanner
Magnetic stripe credit card reader
Electronic Funds Transfer Point-of-Sale (EFTPOS) terminal
Near Field Communication (NFC) payment system