It isn't complicated: private communications are for your inbox, public communications are for your wall. This simple distinction seems like something that would be pretty easy to understand for someone who has raised a family or held a job, but it regularly eludes parents. This often results in the sort of communications that you wish your parents would avoid having with you at all being tossed out in public. Just when you thought you had escaped the constant parental embarrassment of your childhood, you open up your laptop to see a graphic description of how to get certain stains out of your bedsheets for the whole world to see ... and over a dozen of your friends have "liked" it.