Advantages of Facebook security:
-Username and password protected.- The user may always change their preferences of their Facebook sercurity.
- Can limit who sees what on your page!
-There is a Facebook security page for more info: http://www.facebook.com/#!/about/privacy/
-Knowing the security available to you on Facebook can prevent unwanted "Facebook creepers"
Disadvantages of Facebook security:
-people may not always know about the new developments-people may think that the security is actually an invasion of privacy.
- You have to actively seek out what is changing on Facebook with all new updates to know what to set your new preferences to.
- when changing preferences in privacy it can lead to awkward social events.
- because it's online you can never be sure if someone is lying or not about the info they display, including age, gender, likes, interest etc...