Okay, so this page is full of crazy stuff, try outs, fun. It has got sticky notes, anyone can leave a sticky note by creating clicking in the upper right corner. There are other try-outs on this page, like this great movie using the browser width and height to interact with the movie:

CIRCORIPOPOLO MOVIE

Original from:

http://users.telenet.be/kixx/

 

*update: It appears this is not working with the new browsers anymore.