Which groundbreaking invention, first installed at a Marsh Supermarket in Ohio in 1974, revolutionized retail point-of-sale systems and is now used in virtually every store worldwide?

Point-of-sale (POS) systems revolutionized retail by automating transactions and inventory management. From mechanical cash registers to cloud-based solutions, these innovations have transformed how merchants operate. This trivia question explores a pivotal moment in retail technology history that changed how businesses process transactions forever. Test your knowledge about this significant retail technology breakthrough!

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Universal Product Code (UPC) barcode scanner
Electronic signature pad
Touch screen cash register
Credit card magnetic stripe reader