Which revolutionary retail invention, first introduced in 1974, fundamentally transformed customer checkout experiences and is considered one of the most significant retail discoveries of the 20th century?

The retail industry has been transformed by inventions and innovations that revolutionized how customers experience shopping. Some discoveries completely changed the retail landscape, creating new possibilities for customer engagement and satisfaction. This trivia question explores a pivotal invention that fundamentally altered retail customer experience and set the stage for modern commerce. Test your knowledge about the technological breakthroughs that shaped how we shop!

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

The UPC barcode scanner system, first used at a Marsh Supermarket in Ohio
The self-checkout kiosk, first implemented at Kroger stores
The electronic point-of-sale (EPOS) system, pioneered by IBM
The magnetic stripe card reader, first used by American Express