Futurists who anticipate a world where friends and family interact mostly through digital devices might believe that real-world encounters are headed the way of the fax machine.
They would be wrong.
With millions of Airbnb hosts welcoming guests into their homes, hosting complete strangers is more commonplace today than at any other time in history. Yet being a great host can be challenging for even the most socially-inclined. Take a tour behind the scenes of Airbnb's efforts to develop the art of hospitality.