In what year was the first commercial product scanned with a barcode scanner at a retail store?

The humble barcode revolutionized retail history by automating inventory tracking and speeding up checkout lines worldwide. But its journey from concept to ubiquitous retail tool took decades of innovation and persistence. Test your knowledge about this transformative retail technology that changed how we shop forever.

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1974 - A pack of Wrigley's chewing gum at Marsh Supermarket in Ohio
1969 - A carton of Coca-Cola at Kroger in Cincinnati
1980 - A box of Tide detergent at Walmart in Arkansas
1952 - A loaf of Wonder Bread at A&P in New Jersey