Which retail analytics innovation first allowed stores to track individual customer purchase patterns across multiple shopping trips?

Modern retail has been transformed by data analytics, allowing businesses to make smarter decisions about inventory, customer behavior, and sales strategies. The sophisticated tools we see today evolved from simpler beginnings. Test your knowledge about how retail analytics has developed over time and which innovations have made the biggest impact on how businesses understand their customers and operations.

This is a live public trivia poll on AIPolls.Net. Vote and see real-time results.

Barcode scanners (1970s)
Loyalty cards (1980s-90s)
RFID inventory tracking (early 2000s)
Wi-Fi customer tracking systems (2010s)