Which revolutionary retail technology was first used commercially in 1974 at a Marsh supermarket in Ohio when a pack of Wrigley's gum became the first product scanned with this system?

The retail landscape has been transformed by technological innovations that changed how we shop forever. One invention in particular revolutionized inventory management and checkout processes worldwide, becoming ubiquitous in stores across the globe. This poll tests your knowledge of retail technology milestones that shaped the modern shopping experience and created entirely new product tracking capabilities.

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RFID (Radio-Frequency Identification) tags
Universal Product Code (UPC) barcode scanning
Electronic Article Surveillance (EAS) anti-theft tags
Electronic point-of-sale (EPOS) touchscreen systems