The company wanted to show that by making things fun , you 're more likely make people change their behavior for the better , be it for the environment , for themselves or other people . Swedish advertising agency created viral videos called 'The Fun Theory ' Shot on streets of Stockholm , turned public stairwell into a piano keyboard . Comment:
Swedish advertising agency created viral videos called 'The Fun Theory ' Shot on streets of Stockholm , turned public stairwell into a piano keyboard . Comment: