If you are using too many Social Network, users have their own world. Lack of contact with other people, especially noticeable gaps between the elderly, to children.
If you use too much Social Network will allow users to have a world of their own. Incommunicado In particular, the clear gap between elders and children.
If the Social Network too much will make the user has the world"s own lost contact with others. Especially the obvious gaps between the elderly and children.