Which invention, first demonstrated in 1974 by Clyde Dawson and Sharon Buchanan at a Marsh supermarket, revolutionized retail inventory management and checkout processes?

The retail landscape has been transformed by numerous technological innovations throughout history. From simple cash registers to sophisticated AI-powered systems, each invention has revolutionized how merchants interact with customers and manage their businesses. This poll tests your knowledge about a significant technological advancement that fundamentally changed retail operations worldwide and set the foundation for modern shopping experiences.

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Universal Product Code (UPC) barcode scanning
Radio-frequency identification (RFID) tags
Electronic point-of-sale (EPOS) systems
Self-checkout kiosks