Can't agree more. If you are wondering how much main stream social apps are sharing, you can see a summary at this link. https://www.facebook.com/off_facebook_a

Can't agree more. If you are wondering how much main stream social apps are sharing, you can see a summary at this link. https://www.facebook.com/off_facebook_activity/activity_list https://www.facebook.com/off_facebook_activity/activity_list. Mine has over 2,000 websites that are sharing data back.