On the topic of the rule about posting your last names:
This is to be taken very seriously. Also, if you have an uncommon name, or last name, please refrain from posting it in full. So, for example, if your name was Williferd Usperon the third (dont ask what that is... I dont know) call yourself Will, and dont give your last name. But if your name is Bob Davis, it is safer to post your full name, because there is a higher chance that there are already people with your name on the web, making information about you harder to find.