Have you heard of the fun theory? What's the fun theory, you ask... Simple!
"The thought that something as simple as fun is the easiest way to change people’s behaviour for the better. Be it for yourself, for the environment, or for something entirely different, the only thing that matters is that it’s change for the better."
I couldn't agree more. Check these ideas out... The third one, the Bottle Bank Arcade is my favourite, likely for obvious reasons ;)
Do you have a simple clever idea that exemplifies the fun theory? You could win the fun theory award and 2500 Euros! But you must act fast, the deadline is November 15, 2009. Full details available here.
Here's hoping the fun theory and the three examples above provided some fun inspiration!