Years ago I hung round with people who were into religion, spirituality and deep and meaningful conversations and relationships. There was a snobbishness to it and there was a sense that if you weren't spilling your heart and soul out with someone, you didn't really know them.
Nowadays I spend a lot of time in the virtual realm where life revolves round 140 characters but I still get a lot of people who would say that you only know people who you're very close to.
It's something I've always disputed because I think anything you do gives off something about your personality, even just your image tells something about you. It mightn't be all of you or "the real" you but it's still you nonetheless. Take someone like C. Ronaldo. I have a real sense of what he's like as a person for years even though I've never heard him speak. There are lots of people I interact with regularly on Twitter, Facebook and blogs who I've never met but I have a sense of what they're like just from their avatars and short humourous comments. Even the very false people are giving out something of themselves.
I don't know if I'm arguing into nothing here but just thought I'd make the point.