What retail technology innovation was first commercially implemented at a Marsh Supermarket in Ohio in 1974, fundamentally changing how products were identified at checkout?

The history of retail is filled with groundbreaking innovations that have transformed how we shop. One particular technology introduction in the 1970s revolutionized the checkout process forever, dramatically increasing efficiency and accuracy while laying the foundation for modern inventory systems. Test your knowledge of this pivotal moment in retail history that continues to impact shopping experiences worldwide.

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The Universal Product Code (UPC) barcode scanning system
The first electronic point-of-sale (EPOS) cash register
The magnetic stripe credit card reader
The automated teller machine (ATM) for in-store banking