Finally, there’s, like, numbers and stuff to back up what I’ve been saying for a couple years now – old people haven’t a goddamn clue how modern social networking rolls. For all the people whose parents leave ridiculous, long, embarrassing public Facebook wall posts… this one’s for you. The Pew Internet & American Life Project has released a report that more or less states the obvious: young folks are the authority on how to manage oneself on social networks. First of all, let me clarify that ‘old’ for the purposes of the study, as well as this article, constitutes anything over 30 years of…