What item was scanned with the world's first commercial barcode scanner in a retail setting in 1974?

Barcodes revolutionized retail inventory management and checkout processes worldwide. This seemingly simple pattern of lines fundamentally transformed how products are tracked, sold, and inventoried across global supply chains. Test your knowledge about the fascinating invention that changed retail forever and continues to evolve with new technologies like QR codes and RFID.

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A 10-pack of Wrigley's Juicy Fruit gum
A can of Campbell's soup
A carton of Marlboro cigarettes
A bottle of Coca-Cola