According to the Fun Theory the easiest way to change people’s behaviour for the better is by making it fun to do. I totally subscribe this, and i think the world today needs some fun to eliminate it’s seriousness.

How fun would it be to use these stairs? I would bet a lot.
Don’t know where this “fun theory” idea came from, but it seems to be some marketing campaing for Volkswagen.Actually the advertising is pretty subtle, with only a Volkswagen symbol at the end of the video. Five stars to this advertising campaign. We need more ideas like this

Piano stairs @ Stockholm – The fun theory

The world’s deepest bin – The fun theory