My wife and I hate Facebook and aren't on it; and yeah, we sometimes get miffed when people assume everyone who matters (or close enough) is on it, and use only

My wife and I hate Facebook and aren't on it; and yeah, we sometimes get miffed when people assume everyone who matters (or close enough) is on it, and use only it for communicating with family, friends, a social club, or whatever. We're the kind of people who are _proudly_ not on Facebook, and not at all shy about it. The only social network worth a damn is LinkedIn, and only so long as they are useful in finding work.