Which retail technology was first introduced by Kroger in 1972 and revolutionized checkout efficiency worldwide?

The retail industry has undergone massive technological transformation in recent years. From augmented reality fitting rooms to AI-powered inventory management, technology has reshaped how retailers operate and how consumers shop. This trivia question focuses on a significant retail technology milestone that changed the industry forever. Test your knowledge of retail innovation history!

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

Universal Product Code (UPC) barcode scanning
Self-checkout kiosks
Electronic shelf labels (ESL)
RFID inventory tracking