One of the most ubiquitous forms of payment today is credit cards. The odds are good that you have one, and most probably have one on your person right now.
But how did it develop that you could pay for something by just giving someone a piece of plastic? How exactly does this system work and how do credit card companies make money?
Learn more about credit cards, where they came from and how they work, on this episode of Everything Everywhere Daily.
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