Smart cultural observers will consider what happens to empathy when human beings learn intimate and heartbreaking things about one another, but never come close to meeting face-to-face. Can we suffer with someone we don't actually know?
I've worked at a newspaper, and have interviewed at them since the advent of social media. Some of the Twitter-related questions asked in one interview sounded like Unfrozen Caveman Editor, but maybe that crew has caught up by now. The medium isn't slowing down for anyone to catch up.