tt - don't feel bad, I think I forgot where I started with this... something about Ns, probably and how the medium encourages people to not even try to disguise their excessive ego-feeding. But like Deb, I have a smallish group of "friends" on FB - some from 5th grade even! - and since our family is spread all over god's green earth, it makes it so much easier to keep in touch.
My hubs resisted creating an account for a long time, but while searching for contact info for an old buddy of his I suggested FB - and sure enough, he found him... later called him... said friend just recently died suddenly. Hubs is now in the midst of re-connecting with his HS class to organize a reunion for their 40th, next year - online. His former co-workers are there, too... so he can KEEP those connections he thought he was giving up, to live here instead. That's a good thing! It's a real good thing for me, because he hasn't gone out of his way to try doing things by himself or make friends to hang out with sans moi, since retiring.
I guess, something my Nboss used to say about tech, is probably true: it's just a tool and becomes what you make of it. Some very, very good things have come about for me, because of facebook. There is a beach discussion board - used heavily by tourists and locals alike - and during hurricanes, it's our life-communication lines as long as there's internet service. It's our "town square" and has been used to rally the troops when someone needs help, etc.
So I guess ultimately, I have to agree that the method of being "social" isn't quite as important as the being that way! And that we probably will all find a comfy mix of methods to do this...