Hack keyboard to make it type anything continuously

1. Open Notepad and copy the following code.

Set wshShell = wscript.CreateObject("WScript.Shell")
do
wscript.sleep 100
wshshell.sendkeys "You are a fool."
loop


You can change You are a fool. to any other text you like
2. Save it as technofreak001.vbs
3. And send it to your friends

Note -  This tricks will not harm your computer in anyway. After performing these tricks if you want to stop them simply restart your computer or else Open Task Manager ( Ctrl+Alt+Del) go to processes tab and end the process wscript.exe.