Fun bottomless rubbish bin - cleanliness

Can we get more people to throw their rubbish in the bin by making it fun to do so? Watch the video below (the world's deepest trashcan):



Result: During one day, 72kg of rubbish was collected in the fun rubbish bin. That is 41kg more than the normal bin just a small distance away. Fun can obviously change behaviour for the better. They call it the fun theory. (A Volkswagen initiative)