This week, I’ve been treated to a visceral experience of the upside of a downside. Driving with my family through the Tetons and Yellowstone National Park, I have sat behind endless lines of RVs and assorted SUVs depositing masses of people who are swarming the parks, descending on Old Faithful concession stands, and snapping endless digital photos to be sent over Androids, iPhones and even Blackberries.