Which major food retailer was first to scan a UPC barcode on a retail product (a pack of Wrigley's gum) in 1974, pioneering a technology now used on virtually all packaged food items?

The grocery shopping experience has transformed dramatically over the decades, with technological innovations changing how we identify, price, and purchase food products. One particular technology revolutionized retail inventory management and checkout processes worldwide. Test your knowledge about this pivotal advancement in food retail technology that changed supermarkets forever!

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Marsh Supermarket (Ohio)
Kroger (Kentucky)
Safeway (California)
A&P (New Jersey)