Which invention, first patented in 1952, revolutionized retail data collection and eventually enabled the sophisticated consumer behavior analytics we see today?

Innovations in retail analytics have revolutionized how businesses understand consumer behavior. Before sophisticated AI algorithms became commonplace, several groundbreaking inventions laid the foundation for today's data-driven retail landscape. This poll tests your knowledge about a pivotal invention that transformed how retailers track and analyze customer purchases - a discovery that continues to influence modern machine learning applications in retail.

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

Barcode scanner (developed by Norman Joseph Woodland and Bernard Silver)
Electronic cash register (developed by James Ritty)
Magnetic stripe card reader (developed by IBM)
Electronic inventory system (developed by Sylvania)