"Gesellschaftlicher Zusammenhalt in Zeiten von Social Media [Social Cohesion in Times of Social Media]", presentation by J.-H. Schmidt at the conference "Die Digitalisierung des Politischen [The Digitisation of the Political]" of the Professional Association of German Sociologists on 30 April 2021, https://www.soziologie-deutschland.net/event/tagung-die-digitalisierung-des-politischen-online/ (online).