In what year was the first product with a Universal Product Code (UPC) barcode scanned at a retail store?

The evolution of retail technology has dramatically transformed how we shop. Among the most significant innovations was the introduction of the barcode system, which revolutionized inventory management and checkout processes worldwide. This poll tests your knowledge about this pivotal moment in retail history that shaped modern commerce and data analytics.

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1974 - A pack of Wrigley's chewing gum at Marsh Supermarket in Ohio
1969 - A carton of Marlboro cigarettes at Kroger in Cincinnati
1981 - A bottle of Coca-Cola at Walmart in Arkansas
1952 - A loaf of Wonder Bread at A&P in New Jersey