I'm sure this has been posted before . . .

aquarabbit

But I never get sick of it. For those of you who don't know it was one of the experiments in Sweden for The Fun Theory. They wanted to see if people chose the healthier option over the easier option if they made it fun. It's inspiriting to me because I think it just drives home "small changes big results".

http://www.youtube.com/watch?v=2lXh2n0aPyw