Here is a cool trick to play on someone. Make their keyboard sing when the caps lock button is pressed. Read more about it at The Mozmonkey Blog.
“Take the musical element from a musical greeting card and connect it to the caps lock LED on the user’s keyboard. Each time the victim presses caps lock the music plays (and quite loud too). This is a great sleeping prank…It might be found on the first day, or weeks from implementation. It’s the perfect prank.”
[…] Now, remember where I mentioned that my boss punk’d me? So basically, she got everybody to sing happy birthday to me (it wasn’t my birthday ) and then gave me a cinnibon with those damn unstoppable candles. Well, what she didn’t know, was that just a few hours earlier, while she was gone from work, I installed one of those musical greeting cards in her keyboard. Here, this should give you an idea of it. It was awesome. […]