<!--
- Copyright 2016 Soren Stoutner <soren@stoutner.com>.
+ Copyright 2016-2017 Soren Stoutner <soren@stoutner.com>.
This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
along with Privacy Browser. If not, see <http://www.gnu.org/licenses/>. -->
<html>
-<head>
-<style>
- h3 {
- color: 0D4781;
- }
+ <head>
+ <!-- We have to make an image into its own block to center it. -->
+ <style>
+ h3 {
+ color: 0D4781;
+ }
- img.center {
- display: block;
- margin-left: auto;
- margin-right: auto;
- }
-</style>
-</head>
+ img.center {
+ display: block;
+ margin-left: auto;
+ margin-right: auto;
+ }
+ </style>
+ </head>
-<body>
-<h3>Advertisements</h3>
+ <body>
+ <h3>Do Not Track</h3>
-<p>Privacy Browser Free includes a banner advertisement across the bottom of the screen that is populated by Google's
- AdMob network. By default, Google provides the <a href="https://support.google.com/googleplay/android-developer/answer/6048248?hl=en">advertising ID</a>
- of the device to the ads displayed through this network. This allows advertising companies to build a profile of
- the device that show which apps are installed (that display ads), how often they are used, and which ads the user is interested in.</p>
+ <p>A few years ago the W3C (World Wide Web Consortium) created a mechanism for browsers to inform web servers that they would not like to be tracked.
+ This is accomplished by including a <a href="https://en.wikipedia.org/wiki/Do_Not_Track">DNT (Do Not Track) header</a> with web requests.</p>
-<p>Users can choose to disable the advertising ID in <strong>Settings</strong>, <strong>Google</strong>, <strong>Ads</strong>.</p>
+ <p>The DNT header doesn't really provide much privacy because most web servers ignore it. For example, Yahoo, Google, Microsoft, and Facebook all ignore at least some DNT headers.</p>
-<img class="center" src="images/advertising_id.png" height="640" width="360">
-<p>The purpose of the free version of Privacy Browser is to allow people to test the features of the app. The standard version can be purchased
- on the major app stores or downloaded for free from
- <a href="https://f-droid.org/repository/browse/?fdfilter=privacy+browser&fdid=com.stoutner.privacybrowser.standard">F-Droid</a>.</p>
+ <h3>Advertisements</h3>
+ <p>Privacy Browser Free includes a banner advertisement across the bottom of the screen that is populated by Google’s AdMob network.
+ By default, Google provides the <a href="https://support.google.com/googleplay/android-developer/answer/6048248?hl=en">advertising ID</a> of the device to the ads displayed through this network.
+ This allows advertising companies to build a profile of the device that show which apps are installed (that display ads), how often they are used, and which ads the user is interested in.</p>
-<h3>Verizon Tracking Headers</h3>
+ <p>Users can choose to disable the advertising ID in <strong>Settings</strong>, <strong>Google</strong>, <strong>Ads</strong>.</p>
-<p>Verizon, one of the major mobile carriers in the United States, adds a unique tracking header to all HTTP traffic on their network. The Electronic Frontier
- Foundation has written about the <a href="https://www.eff.org/deeplinks/2014/11/verizon-x-uidh">privacy implications of this practice</a>. Due to public pressure
- Verizon has created a way to <a href="http://www.clark.com/how-opt-out-verizons-super-cookie-tracking">opt out of this tracking</a>.</p>
+ <img class="center" src="images/advertising_id.png" height="640" width="360">
-</body>
+ <p>The purpose of the free version of Privacy Browser is to allow people to test the features of the app. The standard version can be purchased on the major app stores or downloaded for free from
+ <a href="https://f-droid.org/repository/browse/?fdfilter=privacy+browser&fdid=com.stoutner.privacybrowser.standard">F-Droid</a>.</p>
+
+
+ <h3>Verizon Tracking Headers</h3>
+
+ <p>Verizon, one of the major mobile carriers in the United States, adds a unique tracking header to all unencrypted HTTP traffic on their network. The Electronic Frontier Foundation has written about the
+ <a href="https://www.eff.org/deeplinks/2014/11/verizon-x-uidh">privacy implications of this practice</a>. Due to public pressure Verizon has created a way to
+ <a href="http://www.clark.com/how-opt-out-verizons-super-cookie-tracking">opt out of this tracking</a>.</p>
+ </body>
</html>
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