What was the first retail product to be scanned using a barcode scanner at a point of sale (POS) system in a commercial transaction?

The way we shop today was revolutionized by technological innovations that transformed the retail experience. One particular invention in the 1970s fundamentally changed how stores process transactions, track inventory, and analyze sales data. This innovation represented a pivotal moment in retail history, setting the foundation for the sophisticated shopping experiences we now take for granted. Test your knowledge about this revolutionary retail technology!

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