- AdObserver Data
Public dataset of political ads observed by users of our browser extension.
- Facebook Ad Library Data
Public dataset of ads we have collected from Facebook’s Ad Library for the US, Canada, and the UK. Access is limited to verified academic researchers and journalists who have access to Facebook’s Ad Library API, and managed by Harmony Labs.
- Facebook Transparency Reports
Public dataset of historical transparency reports published by Facebook.
Open-source code for Ad Observatory, our analysis and data collection.