That's pretty. What is it?
It's a tag cloud. You put in things you want - things to make the world better, that is, not 'a sandwich' or something - and then they float about like meaningful clouds.
If you agree with one of the wants, click on it and it gets bigger. The more people agree, the bigger it gets. So it's basically the voice of the people in a special box, getting louder and louder.