Which invention, first used in retail in 1974, revolutionized retail analytics by allowing automated product tracking and enabling detailed sales data collection?

The world of retail has been transformed by technological innovations that help businesses understand customer behavior. One particular invention marked a turning point in how stores could track and analyze shopping patterns. This poll tests your knowledge about a groundbreaking invention that changed retail analytics forever and paved the way for modern customer insights technology.

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

• The UPC barcode scanner, first implemented at a Marsh supermarket in Ohio
• The electronic cash register (ECR) with sales tracking software, first used by Macy's
• The customer loyalty card with magnetic stripe, pioneered by American Airlines
• The RFID tag system, first implemented by Walmart for inventory management

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