yes
You can(:
it is not possible to add background music to a Facebook profile. There are applications for Facebook that allow people to listen to music while in Facebook.
There are 0 dangers on Facebook, as long as you don't add anyone as a friends that you don't know.
If you look on your mafia wars home page, there is a button to allow Mafia Wars to update your status, if you hit that, then it will show a link for people to add you
Yes. Get a Facebook account and add Facebook friends there, You can have both a Myspace and a Facebook account.
NOTHING, as long as you don't add anyone you don't kno(:
He has his private facebook account but he's unable to add anyone due to the limit. But he has a fan page
No
I'm not sure but I do know that they might not want to add just anyone.
When an account is an suspected spam-friender, they are monitored closely. It doesn't allow you to add most people. The process facebook uses however to determin which people you can and can't add is beyond me.
Search for the person by typing in their name in the search box at the top of the facebook page. Then click add as a friend, on their page.
Login to the app using your facebook credentials. As soon as you do it, anyone in your friends in facebook who is playing the game will be available as neighbors