They do NOT allow you to, that's why. Mostly so people can't change it so the options for people over 18/21 can do become available to people under those ages. =D
you cant
Yes, I believe that you can change your age on Myspace after making an account.
you cant do that
you cant there is no way
you cant you have to change your background color
You cant. Its that SIMPLE!
you can pay 7-15 dollars for web hostingbut otherwise you cant :[
you cant
you cant
If somebody tries to hack you you'll still have the same email
you cant
u cant