Which retail innovation, first introduced in 1974, revolutionized inventory management and customer data collection before evolving into the foundation of modern retail analytics?

The retail landscape has been transformed by technological innovations that have revolutionized how customers shop and how businesses understand their markets. From humble beginnings to sophisticated systems, retail technology has a fascinating history of inventions and discoveries. Test your knowledge about a groundbreaking retail innovation that changed how businesses understand customer behavior and preferences.

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The Universal Product Code (UPC) barcode system
The electronic point-of-sale (EPOS) system
The customer loyalty card program
The Radio-Frequency Identification (RFID) tag