Which retail innovation was first used commercially in 1974 at an Ohio Marsh Supermarket when a pack of Wrigley's chewing gum became the first product scanned at checkout?

In the world of retail, some innovations completely transform how we shop. Point-of-sale systems have evolved dramatically over decades, with certain breakthrough technologies becoming industry standards almost overnight. This trivia question explores one such revolutionary invention that fundamentally changed checkout processes worldwide and continues to influence retail operations today. Test your knowledge about this pivotal retail technology that bridged the gap between product identification and digital inventory management.

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UPC Barcode Scanner
Electronic Cash Register (ECR)
RFID Checkout System
Magnetic Stripe Reader