Living in a digital world

Seeing Brendan wonder around the hotel in SD, snapping one photo after another with Jodi's knew smartphone, illustrates how digital changes things...remember with "old fashioned" cameras, pictures had to be chosen carefully to use the scarce resource of film, developing costs, etc. But on the other hand, as oil keeps flowing into the Gulf, we are reminded that that while our digital world makes the previously limited virtually limitless, we are at the same time bumping into hard limits of natural resources. Perhaps the former holds the key to dealing with the latter?