Which retail technology invention, first used commercially in 1974, featured a product identifier that revolutionized checkout systems and is now found on virtually every retail product worldwide?

The way we pay for products has dramatically evolved over the decades. From manual price entry to modern contactless payments, retail checkout technology represents one of the most impactful innovations in consumer experience. This poll tests your knowledge about a pivotal moment in retail history that forever changed how we shop and fundamentally transformed inventory management systems worldwide.

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

The UPC barcode scanner, first used at Marsh Supermarket in Ohio on a pack of Wrigley's chewing gum
The magnetic stripe card reader, first implemented at Macy's department store in New York
The electronic cash register with digital display, pioneered by Walmart in Arkansas
The automated coin counter/sorter, debuted at Safeway supermarkets in California