Which technology was first used in retail point of sale systems that revolutionized checkout in the 1970s?

Before digital scanners and touchscreens transformed retail checkout experiences, point of sale systems evolved through fascinating historical developments. This poll tests your knowledge about a pivotal innovation in retail history that changed how merchants processed transactions and managed inventory. Do you know which technology first revolutionized the retail checkout experience in the mid-20th century?

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

Universal Product Code (UPC) barcode scanning
Magnetic stripe card readers
Electronic cash registers with integrated inventory systems
Touch screen interfaces