In what year was the first commercial barcode scanner used in a retail store, marking the beginning of modern automated checkout systems?

The retail landscape has been transformed by technological innovations that changed how we shop forever. While many inventions have improved the retail experience, some breakthroughs fundamentally altered the industry's trajectory. This poll tests your knowledge about a pivotal invention that revolutionized inventory management and checkout processes across the globe. Can you identify when this game-changing retail technology first appeared in stores?

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1974, when a pack of Wrigley's chewing gum became the first product scanned at Marsh Supermarket in Ohio
1952, when IBM developed the first automated checkout system for Walmart stores
1986, when Target implemented the first nationwide laser scanning technology
1967, when the first UPC code was created and tested at Kroger supermarkets