Which retail technology innovation, first implemented in 1974 by an Ohio supermarket, revolutionized inventory tracking and became the standard for product identification worldwide?

The retail landscape has transformed dramatically throughout history. From ancient marketplaces to today's digital commerce, innovation has shaped how we buy and sell goods. This trivia question explores a pivotal moment in retail technology history that fundamentally changed consumer behavior and set the foundation for modern retail systems. Test your knowledge about a technological breakthrough that revolutionized inventory management and purchasing efficiency!

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The Universal Product Code (UPC) barcode system
The electronic point-of-sale (EPOS) cash register
The magnetic stripe loyalty card
The electronic anti-theft tag system