Jacob Goldstein of Planet Money joins Felix Salmon, Emily Peck and Anna Szymanski to talk about his book Money: The True Story of a Made-Up Thing and explain the varied history of this thing we call “money”.

In the Slate Plus segment: A deeper dive into Jacob’s wonky Numbers Round number. 

Email: slatemoney@slate.com

Podcast production by Jessamine Molli.

Twitter: @felixsalmon, @Three_Guineas, @EmilyRPeck

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