I think you're half right. If you opt-out of the online precursors to offline gatherings, then yes you'll be left out of those offline gatherings. That's still

I think you're half right. If you opt-out of the online precursors to offline gatherings, then yes you'll be left out of those offline gatherings. That's still separate from whether your friends are the type to take pictures of their food and post to Facebook in the middle of dinner.