Which product identification technology was first used commercially in 1974 on a pack of Wrigley's gum, despite inventors being told the concept would never work?

In the world of retail inventions, some innovations completely transform how products move from manufacturers to consumers. One such revolutionary technology altered the landscape of inventory management, price tracking, and checkout processes across the globe. Test your knowledge about this game-changing retail invention that was initially met with skepticism but is now used billions of times daily in stores worldwide.

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• RFID (Radio-Frequency Identification) Tags
• UPC Barcode
• QR Code
• NFC (Near Field Communication) Technology

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