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 DNT (Do Not Track) header with web requests. + This header is enabled by default in Privacy Browser, although if desired it can be disabled in the settings.
+ +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.
+ + +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 advertising ID + 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.
+ +Users can choose to disable the advertising ID in Settings, Google, Ads.
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+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 + F-Droid.
+ + +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 privacy implications of this practice. Due to public pressure + Verizon has created a way to opt out of this tracking.
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