- Open notepad.
- Type BUSH HID THE FACTS
- Save that file.
- Close Notepad
- Open the file again (with notepad like before)
- Can you read it back?
It was later known 4335 Rule. It means that if we enter four words separated by spaces, wherein the first word has 4 letters, the next two have three letters each, and the last word has five letters. Then Notepad Automatically hides the text into unknown code. Similar are with "this app can break".