When Your Weird Hobby Takes Over the World (Part 1)

Imagine if as a kid you were really into the harmonica. It was your weird little hobby. But then over the course of the next 40 years, somehow the world's economy completely reconstructed itself around the harmonica. And now everyone you know has to play the harmonica, or deal with it even if they don't like it. You see harmonica billionaires everywhere, even a few trillion-dollar harmonica…