Which retail technology innovation was first introduced at a Marsh Supermarket in Troy, Ohio in 1974, transforming how products were identified and priced at checkout?

The way we pay for products has evolved dramatically over the decades. From manual cash registers to today's contactless payments, retail technology has continuously transformed the shopping experience. One invention in particular revolutionized checkout efficiency and accuracy, becoming the foundation for modern retail operations worldwide. Test your knowledge about this groundbreaking retail technology advancement that changed commerce forever.

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• The UPC barcode scanner
• The electronic cash register (ECR)
• The credit card magnetic stripe reader
• The touchscreen point-of-sale system

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