Which product was first scanned using the modern barcode system when it was commercially implemented in 1974?

The retail landscape has been transformed by numerous technological innovations over the decades. One of the most significant yet often overlooked inventions revolutionized how products are tracked, sold, and inventoried across global supply chains. This poll tests your knowledge about a critical invention that fundamentally changed retail operations and shopping experiences worldwide.

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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