The smartphone platform Android has mixed up the mobile phone market. Releasing Android as open source suits developers and researchers. For example, it allows me to do research on automatic data leak detection for smartphones. At least research is more interesting and useful, if the source code of a major smartphone operating system is available, for free. So, from the user’s and researcher’s perspective, there is no reason to complain. I admit: I am a fan of Android and other Google products. But what about this slide?