Which product was the first to ever be scanned with a barcode in a retail transaction?

The humble barcode transformed retail operations and supply chain management forever. This seemingly simple pattern of black and white lines revolutionized inventory tracking, checkout speed, and data collection capabilities across the retail industry. Test your knowledge about this pivotal innovation that changed how products move from manufacturers to consumers.

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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 pack of Gillette razors