"Moreover, the document focuses on the concept of privacy by design and tries to make it more clear,
especially for mobile app developers. Approaches to privacy and data protection by design and by default
are presented that help translate the legal requirements into more tangible engineering goals that
developers are more comfortable with. In particular, the concepts of data protection goals and privacy
design strategies are discussed in general terms, while providing concrete examples from the mobile app
development perspective."<p>This is the part that was missing on the web, mobile applications are breaching users privacy to the extent unavailable to web pages. Typical android application has less code than the frameworks for tracking and advertising that are used in it. Not to mention google play and google services. This documents sheds some light from mobile application development perspective and provides some guidelines.<p>Actually I think the greatest and most meaningful battle in context of GDPR will be on field of mobile applications.