Which revolutionary retail technology, invented in 1974 by Norman Joseph Woodland and Bernard Silver, was first used commercially on a pack of Wrigley's gum in 1974?

Test your knowledge about one of the most transformative retail innovations that changed how we shop forever! This invention bridged the gap between physical products and digital information, revolutionizing inventory management, checkout processes, and consumer insights collection. While we take it for granted today, this discovery represented a paradigm shift in retail operations when it was first implemented.

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• The UPC barcode scanner
• The electronic cash register (ECR)
• The RFID inventory tag
• The credit card magnetic stripe reader

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