http://u.qdnx.org/file/fsf-20180202T025401-3zfyx7v.html
In case you missed it: F-Droid, the repository of #freesoftware apps for Android phones, is collaborating with @ExodusPrivacy and @YalePrivacyLab to create tools to automate the process of finding tracking in apps. https://u.fsf.org/2ga