Which of these retail innovations was first introduced at a Marsh Supermarket in Troy, Ohio in 1974, leading to an estimated 40% increase in checkout efficiency?

The retail landscape has been transformed by numerous technological breakthroughs throughout history. Some inventions that seemed simple at first glance went on to revolutionize how products are sold, tracked, and purchased worldwide. This trivia question focuses on one such invention that fundamentally altered retail operations and created billions in value. Test your knowledge about the innovations that shaped modern commerce!

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• The UPC barcode scanner
• The electronic cash register (ECR)
• The shopping cart with a built-in calculator
• The self-checkout kiosk

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