LifeCharacter said:
Well here's the thing, if you live in their house (this isn't official) your parents should have the right to go wherever they want. If you can't hide where you're going online from them...learn how to, it's not hard.
Yup, as long as you live at home, you give up privacy rights. Now smart parents start giving you more privacy rights and independance as you grow, otherwise you would be screwed when you first move out (seen that happen to people).
I also think you have zero expection of privacy for anything you post online. You put it on facebook, myspace, devart, or any other similar system? Public (even if you have private settings, you should expect what you post there is forwardable). Certainly anything on forums is completely public.
Oh, and as for hiding where you are going online, that would depend on your parents. I guarentee you that I could track every single thing you do and you'd never know... but for a lot of parents, just using the "private" mode built into most new browsers is enough to stop them.