Social Networks: "Excuse me, did you say something?"

We are already in the social networks era. Many are thankful for this, some are complaining and there are others that just don't know when to stop using them. Which is your group?

I'm not agree to those that complain about them saying: "There are people that even post their food! I mean, don't they have more important things to post?" I think that these people don't get the idea of what a social network really is. For example, if you are hanging out with your friends, is it really ne...