In her new book, After the Gig: How the Sharing Economy Got Hijacked and How to Win It Back (out in paperback in July from UC Press), veteran writer and educator Juliet Schor examines both nonprofit and for-profit “sharing platforms” that sprang up in the wake of the 2008 financial meltdown. Schor writes that in this sector of the contemporary U.S. economy, “The core idea is a peer-to-peer (P2P) market in which durable assets with excess capacity are rented or loaned on a temporary basis.” The contrast between the two types of platforms is both stark and instructive.