Which retail technology innovation, first used commercially in 1974 on a pack of Wrigley's gum, revolutionized inventory management and is now scanned over 6 billion times daily worldwide?

The retail industry has been transformed by numerous innovations that changed how consumers shop. One particular technology revolutionized inventory management and accelerated checkout processes worldwide, fundamentally altering retail operations. This poll tests your knowledge about a pivotal retail technology development that emerged in the early 1970s and has since become ubiquitous in modern commerce. Can you identify this retail breakthrough that bridged the physical and digital retail worlds?

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Universal Product Code (UPC) barcode
Radio Frequency Identification (RFID) tag
Electronic Article Surveillance (EAS) tag
Near Field Communication (NFC) chip