Amitai Etzioni : Online privacy advocates fear government , but businesses are the real threat . Etzioni : Corporations track what you buy , read , visit , drink ; whom you call , e-mail , date . but , as far as I can tell , often does not enforce them . Some shadow you , keeping detailed dossiers on you , to sell the information , he writes . He says that companies like Google and Facebook have been able to do this because they collect so much data about us in order to target ads at us.
Amitai Etzioni : Online privacy advocates fear government , but businesses are the real threat . Etzioni : Corporations track what you buy , read , visit , drink ; whom you call , e-mail , date . Some shadow you , keeping detailed dossiers on you , to sell the information , he writes . He says that companies like Google and Facebook have been able to do this because they collect so much data about us in order to target ads at us.