Recovered from the Wayback Machine.
Imagine that this is a door for a moment. Do you have the picture in your mind? Your door might be all wood, or it might be a painted door – blue or green.
Perhaps its a metal door. With bars. If so, get help.
Now that you have this picture in your mind, I want you to visualize a sign on it, white paper, big black letters. The sign says:
Please do not disturb.