A paper by Reuben Binns, Ulrik Lyngs, Max Van Kleek, Jun Zhao, Timothy Libert and Nigel Shadbolt on third-party tracking, which is the identification and tracking of users and their behaviour across multiple digital services.
The paper presents the findings of an empirical study of third-party trackers on almost a million apps from the US and UK Google Play stores, one of the biggest studies of its kind.