Which major retail payment innovation was first tested at a Marsh Supermarket in Troy, Ohio in 1974, forever changing how products are identified at checkout?

The way we pay for goods has transformed dramatically over the decades. From cash to contactless, payment systems have been at the forefront of retail innovation. This poll tests your knowledge about a pivotal moment in payment technology history that changed how consumers interact with merchants at the point of sale. Do you know which technology breakthrough revolutionized checkout speed and security in the late 20th century?

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

The UPC barcode scanner system
The magnetic stripe credit card reader
The PIN pad for debit transactions
The digital receipt system