https://www.voxespana.es/biblioteca/espana/2018m/gal_c2d72e181103013447.pdf
http://www.ipg-journal.de/regionen/nordamerika/artikel/detail/die-ordnung-zerfaellt-2684/
https://socialeurope.eu/why-do-we-need-a-european-digital-public-sphere
https://hbr.org/cover-story/2018/07/truth-disrupted