Which retail innovation is widely credited as the first electronic Point of Sale (POS) system that used optical scanning technology to read product information?

The evolution of retail transactions has transformed dramatically over centuries. Before digital systems, merchants relied on manual methods to track sales and inventory. The transition to modern Point of Sale (POS) systems revolutionized retail by increasing efficiency, reducing errors, and providing valuable data insights. Test your knowledge about this pivotal technological development that changed retail history forever!

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NCR's 1974 Model 255 barcode scanner installed at Marsh Supermarket in Troy, Ohio
IBM's 1952 Electronic Cash Register at Macy's department store in New York City
Sears' proprietary 1968 Transaction Processing System developed with Honeywell
Digital Equipment Corporation's 1981 touchscreen checkout system at Walmart