Notepad secrets.
 

Do you know them? I want to know them. I only know one. If you go into notepad and save Bush hit the facts and open it up you get all these rectangles.

http://en.wikipedia.org/wiki/Notepad

it's an easter egg and the only one. works with any combination of four letters space three letters space three letters space five letters. if you have the right chinise font installed it won't be blocks