"Put it all together and I think we all now see the fundamental utility of LinkedIn — it’s the one place where you can demonstrate how honest, decent and accomplished you are, even if you have to lie and cheat to do it."
http://www.creators.com/lifestylefeatures/humor/work-daze/li...
The savvier kids have been maintaining multiple Facebook accounts for years: one where they friend their parents, family, church pastor, etc., and the other (under a pseudonym) where they have fun. It's like the social equivalent of a TrueCrypt hidden volume. Plausible deniability is the name of the game.