1. Department of Politics and School of Public and International Affairs, Princeton University, Princeton, NJ, USA.
2. Graduate School of Business, Stanford University, Stanford, CA, USA.
3. Department of Communication, Stanford University, Stanford, CA, USA.
4. Meta, Menlo Park, CA, USA, CA, USA.
5. Stanford Doerr School of Sustainability, Stanford University, Stanford, CA, USA.
6. Research Network Data Science, University of Vienna, Vienna, Austria.
7. UNC Hussman School of Journalism and Media, University of North Carolina at Chapel Hill, Chapel Hill, NC, USA.
8. Department of Economics, Stanford University, Stanford, CA, USA.
9. Annenberg School for Communication, University of Pennsylvania, Philadelphia, PA, USA.
10. Department of Statistics and Data Science, Carnegie Mellon University, Pittsburgh, PA, USA.
11. School of Journalism and Mass Communication, University of Wisconsin-Madison, Madison, WI, USA.
12. Network Science Institute, Northeastern University, Boston, MA, USA.
13. Department of Government, Dartmouth College, Hanover, NH, USA.
14. Department of Government, William & Mary, Williamsburg, VA, USA.
15. Department of Political Science, Syracuse University, Syracuse, NY, USA.
16. School of Media and Public Affairs and Institute for Data, Democracy, and Politics, The George Washington University, Washington, DC, USA.
17. Department of Communication, University of California, Davis, CA, USA.
18. Amsterdam School of Communication Research, University of Amsterdam, Amsterdam, Netherlands.
19. Moody College of Communication and Center for Media Engagement, University of Texas at Austin, Austin, TX, USA.
20. Wilf Family Department of Politics and Center for Social Media and Politics, New York University, New York, NY, USA.