Two good post-it applications from people more famous than me:

I read an interview with Martin Scorsese where he said he got his best ideas at night. He would wander around his house with a pad of post-it notes. When he got an idea, he'd write it down and slap it on the wall. In the morning, he'd pull down the post-its and start writing.

My results- interesting way to brainstorm while in procrastination mode. I often tell myself I either have to write or clean the house. Post-its on the wall is a good way to get ideas down while cleaning.

Mystery novelist Jane Langton does her outlines with post-it notes - the tiny ones, mostly. She tacks a long piece of butcher paper (the kind they sell in rolls at Staples) on the wall and sticks the post-its to that. She is also an artist, so she includes little pictures of scenes and such. She likes the paper because she can move the post its around as much as she likes, and the project storyboard can be rolled up and archived or moved to another workplace. (Note: make sure sticky edge of post-it faces the direction the paper will be rolled in.)

My results - when working on a project with an outline/timeline, this is a good method. You can also draw horizontal lines on the paper for team members, completion stages, etc. and move the post-its back and forth between them.