The basic idea behind this is to change with the Facebook URL to mess with Facebook's API. Basically there's a number code that you would plug into a connect box's URL to make it think you are posting from somewhere else. Somewhere like:
"Skynet
Message in a Bottle
Commodore 64
Your moms computer
TRS-80
K.I.T.T.
Mind Computer Interface
eyePhone
toaster
microwave
Super Nintendo Entertainment System
Gameboy Color
GoD
Glade Air Freshener
Strawberry
The moon
Dr. Pepper
Nintendo Wii
Alcohol
Cheese
iPod Nano
Nintendo 64
Microsoft Excel
Linux Ubuntu
iPhone 5g
My Bedroom
Your Mums Bedroom
Lamp
Your moms anus
Refrigerator
A potato
Nasa Satellite
Vibrator
Sperm Whale
Pogo Stick
Banana Phone
Google+
The Future
Smoke Signal
tin cans connected by string
Pokedex
Telepathy
Typewriter
Harry Potter
TARDIS
Pip Boy
Mind Control
Jedi Mind Control
Telekinesis
Post-It Note
GLaDOS
Ansible
W.O.P.R
Airwolf
HMCS Belafonte
Hogwarts"
If you want to see the detailed original guide so you can do it yourself go here, but if you want a site to do the work for you, check out StatusVia. It's simple, straightforward, and will confuse your friends. Go forth.