When was the first retail product scanned with a UPC barcode at a checkout counter, marking the beginning of modern retail scanning?

The humble barcode transformed retail history and revolutionized how products were sold worldwide. This seemingly simple invention dramatically changed inventory management, checkout processes, and retail efficiency. Test your knowledge about this pivotal moment in retail history that fundamentally changed how consumers shop and businesses operate.

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1974, when a 10-pack of Wrigley's Juicy Fruit gum was scanned at Marsh Supermarket in Ohio
1969, when a Campbell's soup can was scanned at Kroger in Cincinnati
1981, when a bottle of Coca-Cola was scanned at Walmart's first Supercenter
1952, when an IBM punch card was used at Sears for the first automated inventory system