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

In the world of retail innovation, few inventions have transformed shopping as profoundly as the barcode. This seemingly simple pattern of lines revolutionized inventory management and checkout processes worldwide. But do you know the fascinating story behind this ubiquitous technology? Test your knowledge about the invention that changed retail forever and continues to shape our shopping experience today.

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