Which product made history as the first item ever scanned with a UPC barcode in a retail store?

Before modern scanning technology, checkout was a tedious, error-prone process. The invention of one particular technology revolutionized retail operations, inventory management, and the customer experience. This trivia question explores a pivotal moment in retail history that transformed how products move from manufacturer to consumer, creating the foundation for today's automated retail systems and setting the stage for future innovations like RFID and digital payment systems.

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