Changes

===Tracking for marketing===

===Tracking for marketing===

Even when mass surveillance is not considered, there is still a large amount of tracking by various companies.  Companies such as [[Facebook]] and [[Google]] have been found to be tracking the activity of Internet users as well.<ref>http://www.dailymail.co.uk/news/article-2482813/Google-Facebook-bigger-risk-privacy-state-snooping.html</ref>  Facebook has been found to be tracking users even when they have logged out of their accounts, using the cookies which are left on each user's computer.<ref>http://www.correntewire.com/facebook_tracks_users_even_when_theyre_logged_out_and_without_telling_them</ref>  Even deleting one's account does not seem to stop this privacy threat.<ref>http://www.independent.co.uk/life-style/gadgets-and-tech/news/facebook-accused-of-tracking-all-users-even-if-they-delete-accounts-ask-never-to-be-followed-10146631.html</ref>  Meanwhile, Google has been collecting information of web searches, video viewing, and other Internet usage using not only their own websites (of which they have many), but also using the websites of others.  Google's Ad Sense was become popular because it is easy for any website owner to add advertizements to their site, and get a token payment when they are clicked on.  Google tracks who clicks on what, doesn't click on what, and visits what using this service. Another even more popular service they offer is Google Analytics, which has the sole purpose of tracking users and analyzing usage. Statistics for each site are provided to the webmaster, but all these statistics are also saved for other marketing purposes. Meanwhile, Google's popular Android system also collects private information and reports it to Google, up to and including passwords.<ref>https://www.huffingtonpost.com/2013/09/17/google-wifi-passwords-android_n_3936809.html</ref><ref>http://www.computerworld.com/article/2474851/android/android-google-knows-nearly-every-wi-fi-password-in-the-world.html</ref>

Even when mass surveillance is not considered, there is still a large amount of tracking by various companies.  Companies such as [[Facebook]] and [[Google]] have been found to be tracking the activity of Internet users as well.<ref>https://www.dailymail.co.uk/news/article-2482813/Google-Facebook-bigger-risk-privacy-state-snooping.html</ref>  Facebook has been found to be tracking users even when they have logged out of their accounts, using the cookies which are left on each user's computer.<ref>http://www.correntewire.com/facebook_tracks_users_even_when_theyre_logged_out_and_without_telling_them</ref>  Even deleting one's account does not seem to stop this privacy threat.<ref>http://www.independent.co.uk/life-style/gadgets-and-tech/news/facebook-accused-of-tracking-all-users-even-if-they-delete-accounts-ask-never-to-be-followed-10146631.html</ref>  Meanwhile, Google has been collecting information of web searches, video viewing, and other Internet usage using not only their own websites (of which they have many), but also using the websites of others.  Google's Ad Sense was become popular because it is easy for any website owner to add advertizements to their site, and get a token payment when they are clicked on.  Google tracks who clicks on what, doesn't click on what, and visits what using this service. Another even more popular service they offer is Google Analytics, which has the sole purpose of tracking users and analyzing usage. Statistics for each site are provided to the webmaster, but all these statistics are also saved for other marketing purposes. Meanwhile, Google's popular Android system also collects private information and reports it to Google, up to and including passwords.<ref>https://www.huffingtonpost.com/2013/09/17/google-wifi-passwords-android_n_3936809.html</ref><ref>http://www.computerworld.com/article/2474851/android/android-google-knows-nearly-every-wi-fi-password-in-the-world.html</ref>

===PRISM===

===PRISM===