Today we know money as coins, bills, and credit cards. But it wasn't always this way.
Makes you wonder: What exactly makes something money? What was money like in ancient times, and how did it evolve? As we enter a new digital age, where is it headed?
For the surprising answers to these and other fascinating questions, check out the video above (transcript below), made in a partnership between the Big History Project and HuffPost Science.
Don't forget to leave your thoughts in the comments. Talk nerdy to me!
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