This is the best prank I ever had with my friends on facebook.Just visit the below url.

http://facebook.com/profile.php?=73322363

Surprised? 
The above url will redirect to your home page.Now you might be questioning me whats prank in this.I will show you an example below how I used this to prank with my friends.

The person with facebook profile given below http://facebook.com/profile.php?=73322363 has posted some abusive content or photos on facebook.Cyber Crime police are searching for the person with above profile link.Please inform the police if you find that person.

Now when the person clicks the above link it will be redirected to his profile and the person will be shocked.Enjoy :)