Caspar Coppetti is the co-founder of On, a company that makes athletic shoes. Caspar's problem is this: How can you sell tens of millions of shoes a year -- and then take them all back, to turn them into new shoes? The company's latest bid to attract new customers? A shoe subscription service. If you’d like to keep up with the most recent news from this and other Pushkin podcasts be sure to subscribe to our email list.

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