Your favorite easter eggs!

Share your favorite easter eggs (a hidden feature in a computer software program). I'll start with a few that I thought were interesting from an article by Computerworld,
hxxp://www.computerworld.com/action/article.do?command=viewArticleBasic&articleId=9131281


Pipes screensaver

1. In the Google Chrome Web browser's location bar, type in: about:internets

Robots

1. In Firefox 3, go to the Location bar
2. Type in: about:robots

Book of Mozilla

1. In Firefox location box, type: about:mozilla

Wanda the fish

1. In Linux (Ubuntu 8.10 in this case), press Alt-F2
2. In the box, type: free the fish

Gegls from outer space

1. In Linux (Ubuntu 8.10 in this case), press Alt-F2
2. In the box, type: gegls from outer space

 

The fake death in monkey island... rubber tree