I am of the opinion that in a couple of decades we will look back at all these social networks and find that they caused a lot of problems, in social and person

I am of the opinion that in a couple of decades we will look back at all these social networks and find that they caused a lot of problems, in social and personal levels. Facebook, Twitter, Instagram, even Linkedin, do they really bring more benefits than detriments? I personally don't think so.