What item was the first product ever scanned with a barcode scanner in a retail store?

The barcode system revolutionized retail payment and inventory systems, becoming one of the most important technological inventions in modern commerce. This seemingly simple pattern of lines changed how stores track products, manage inventory, and process customers. Test your knowledge about this transformative retail technology that bridges the physical and digital worlds of commerce.

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A 10-pack of Wrigley's Juicy Fruit chewing gum
A carton of Marlboro cigarettes
A bottle of Coca-Cola
A loaf of Wonder Bread