So I figure Facebook is not a fad that is going away anytime soon and I'm presented with this quandary: what would be more pathetic me joining before or after I turn 40? Not too long ago -- less than a decade -- people would look askance at a man in his late '30's joining "MySpace" or "Facebook" now people ask why you're not, with the clear implication that you must be anti-social or something. I finally saw the Facebook movie ("The Social Network") on DVD and a couple of odd things struck me about what was one of last year's critically acclaimed films: 1) the film is really dark, I mean in terms of lighting it is really dimly lit like some tale of malevolent corporate intrigue; "Michael Cla