Which retail innovation was first patented by Norman Joseph Woodland and Bernard Silver in 1952 but wasn't widely adopted in supermarkets until the 1970s?

Test your knowledge about groundbreaking retail innovations that revolutionized how we shop! This trivia question focuses on a technological retail innovation that fundamentally changed the checkout experience and inventory management systems worldwide. While now commonplace, this innovation dramatically improved efficiency and accuracy in retail operations when first introduced.

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Barcode scanning system
Electronic cash register
Self-checkout kiosk
RFID inventory tracking