Which retail innovation from the 1950s is considered the predecessor to modern credit card payment systems and marked the first widespread use of electronic payment authorization?

The history of retail has been shaped by technological innovations that transformed how we shop and pay. One of the most significant developments was the emergence of electronic payment systems, which revolutionized commerce and created the foundation for today's digital economy. Test your knowledge about this pivotal moment in retail history that forever changed the consumer experience.

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The Diners Club card (1950), which introduced the concept of a universal charge card accepted by multiple establishments
IBM's first electronic cash register (1953), which could automatically calculate change and track sales
The Shoppers Charge by Sears (1958), which pioneered the department store loyalty payment card
The Minivac 601 (1955), the first portable payment calculator used by traveling salespeople