More than three in four Android apps contain at least one third-party “tracker”, according to a new analysis of hundreds of apps.
The study by French research organisation Exodus Privacy and Yale University’s Privacy Lab analysed the mobile apps for the signatures of 25 known trackers, which use various techniques to glean personal information about users to better target them for advertisements and services.
https://www.theguardian.com/technology/2017/nov/28/android-apps-third-party-tracker-google-privacy-security-yale-university