itís a simple trick to amaze your friends.when you log on infront of them.
yeah a trick to make your computer welcome you on start up.

lets do it:
open notepad
paste the bellow code in np

code:
dim speaks, speech
speaks="welcome back, username"
set speech=createobject("sapi.spvoice")
speech.speak speaks

replace username with your name
click save as and save as type welcome.vbs
copy file welcome.vbs and paste it in bellow address

windows-7
code:
c:\users\username\appdata\roaming\microsoft\window s\start menu\programs\startup
*replace username with your username and c:\ with your root drive

windows-xp

code:
c:\documents and settings\all users\start menu\programs\startup
done log off and log in amazed? .now your computer welcomes you