Which product was the first item ever scanned with a barcode scanner in a retail store transaction?

The invention of barcode scanning technology revolutionized retail analytics and inventory management. This seemingly simple innovation transformed how retailers track products, analyze consumer behavior, and implement data-driven strategies. Before its widespread adoption, retail inventory was a manual, error-prone process. Today's question explores the fascinating history behind this transformative retail technology that paved the way for modern data analytics in shopping.

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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