Which retail analytics innovation, first introduced in 1974, revolutionized inventory management and enabled detailed consumer purchase tracking?

The world of retail has been transformed by data analytics, allowing businesses to understand customer behavior with unprecedented precision. One innovation in particular changed how retailers track and analyze consumer shopping patterns, creating a foundation for the personalized shopping experiences we know today. Test your knowledge of this retail analytics breakthrough that revolutionized customer insights.

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Universal Product Code (UPC) barcode scanning
Radio-Frequency Identification (RFID) tags
Electronic shelf labels (ESL)
Customer loyalty cards