Content Type: Long Read
Introduction In August 2019, when Facebook announced a few new features for advertisers such as ads in search, PI decided to take an in-depth look at what features the company offers its users when it comes to understanding its advertising practices. One of these features, which caught our attention is Facebook Ads Preference, a tool that among other things, lists businesses/advertisers that have uploaded your personal data to target you with (or exclude you from) ads on the platform.
Content Type: Report
Back in October 2019, PI started investigating advertisers who uploaded personal data to Facebook for targeted advertising purposes. We decided to take a look at "Advertisers Who Uploaded a Contact List With Your Information", a set of information that Facebook provides to users about advertisers who upload files containing their personal data (including unique identifier such as phone numbers, emails etc...). Looking at the limited and often inaccurate information provided by Facebook through…