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.

See omnystudio.com/listener for privacy information.