Which of these inventions, first patented in 1974, revolutionized retail by enabling automated product identification and is considered the foundation of modern supply chain management?

The retail landscape has been transformed by groundbreaking inventions and discoveries throughout history. From the humble cash register to sophisticated AI-powered recommendation systems, technological innovations have continuously reshaped how consumers shop and how retailers operate. Test your knowledge about a pivotal invention that revolutionized the retail industry and set the foundation for modern e-commerce.

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Universal Product Code (UPC) barcode system
Electronic point-of-sale (EPOS) terminal
Radio-frequency identification (RFID) tags
Electronic article surveillance (EAS) system