https://www.journalismliberty.org/publications/beggars-and-choosers-facebook-google
https://www.brookings.edu/blog/techtank/2021/01/13/the-consequences-of-social-medias-giant-experiment/?utm_campaign=Brookings%20Brief&utm_medium=email&utm_content=106913859&utm_source=hs_email
https://www.ipg-journal.de/regionen/global/artikel/detail/die-pandemie-profiteure-4454/