I think mixing of people from different social circle is going to happen to any social network which aims to be the default communication tool for the whole of

I think mixing of people from different social circle is going to happen to any social network which aims to be the default communication tool for the whole of earth. What I am pissed off more about Facebook is the loads of advertisements which keep showing up in my feed. That I find to be unacceptable. There have got to be other business models.