[youtube http://www.youtube.com/watch?v=2lXh2n0aPyw?wmode=transparent&autohide=1&egm=0&hd=1&iv_load_policy=3&modestbranding=1&rel=0&showinfo=0&showsearch=0&w=500&h=281] Do you have an idea that uses fun to change behaviour? (Source: http://www.youtube.com/)