Previous research has shown how 42.55 percent of free apps on the Google Play store could share data with Facebook, making Facebook the second most prevalent third-party tracker after Google’s parent company Alphabet. In this report, Privacy International illustrates what this data sharing looks like in practice, particularly for people who do not have a Facebook account.
This question of whether Facebook gathers information about users who are not signed in or do not have an account was raised in the aftermath of the Cambridge Analytica scandal by lawmakers in hearings in the United States and in Europe. Discussions, as well as previous fines by Data Protection Authorities about the tracking of non-users, however, often focus on the tracking that happens on websites. Much less is known about the data that the company receives from apps. For these reasons, in this report we raise questions about transparency and use of app data that we consider timely and important.
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