Which retail technology innovation from the 1970s revolutionized inventory management and is considered the predecessor to modern retail data systems?

Before digital transformation became a buzzword, retail technology had been evolving for centuries. From the first mechanical cash registers to modern predictive analytics, technological advancements have fundamentally shaped how merchants operate and how consumers shop. This poll explores a pivotal moment in retail technology history that changed commerce forever and set the foundation for today's sophisticated retail systems.

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Universal Product Code (UPC) and barcode scanning
Electronic cash registers with digital displays
Mechanical inventory counting machines
RFID tagging systems for merchandise tracking