Which retail product identification technology, invented in 1974, was first used commercially on a pack of Wrigley's gum and now facilitates over 6 billion scans daily worldwide?

Product innovation has transformed the retail landscape countless times throughout history. From the humble barcode to sophisticated AI recommendation engines, technological breakthroughs have revolutionized how we shop and how retailers operate. This trivia question focuses on a pivotal invention that fundamentally altered product identification and retail efficiency worldwide. Test your knowledge about this game-changing retail innovation!

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Universal Product Code (UPC) barcode
Radio Frequency Identification (RFID) tag
Quick Response (QR) code
Near Field Communication (NFC) chip