What is the best way to ask my mom if I can have a private Myspace? Conversation starters? Advice? Help?

';So mom did you know, my english teacher puts the homework assignments on myspace, but I need an account to see the homework.';..... so much for a good lie lolWhat is the best way to ask my mom if I can have a private Myspace? Conversation starters? Advice? Help?
';mom if i let you see who i add on myspace, would you let me have one?';