A man picks up a rental car in in Burlingame, Calif., near San Francisco International Airport this summer. The car was left with the FlightCar company by a traveler who then flew out of the airport. Eric Risberg/AP hide caption

toggle caption Eric Risberg/AP

Renting out your couches — or your entire place — is powered by San Francisco–based Airbnb, which has now connected more than half a million willing hosts and travelers in more than 34,000 cities. iStockphoto.com hide caption

toggle caption iStockphoto.com
Share And Share Alike: A Time Of Collaborative Consumption
  • Download
  • <iframe src="https://www.npr.org/player/embed/244570695/244580702" width="100%" height="290" frameborder="0" scrolling="no" title="NPR embedded audio player">
  • Transcript