What technology first revolutionized retail analytics in the 1970s, enabling stores to systematically track inventory and customer purchasing patterns for the first time?

Before the digital age transformed retail analytics, merchants relied on different methods to understand their customers. The history of retail analytics reveals fascinating developments that laid the groundwork for today's sophisticated systems. This poll explores a pivotal moment in retail history when technology began to revolutionize how merchants tracked and analyzed consumer behavior—a transformation that would eventually lead to the data-driven retail landscape we know today.

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Universal Product Code (UPC) barcode scanners
Electronic cash registers with basic inventory tracking
Punch card data processing systems
Early computerized inventory management software