When was the first commercial product scanned with a UPC barcode at a retail store?

The humble barcode revolutionized retail, but its path to adoption wasn't straightforward. This invention fundamentally changed how products were tracked and sold, transforming inventory management and checkout processes worldwide. Test your knowledge about this groundbreaking retail innovation that we now take for granted but which represents one of the most significant technological advances in modern commerce.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

1974 (a pack of Wrigley's 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 box of Quaker Oats at A&P in New York)