"Zwischen Partizipationsversprechen und Algorithmenmacht. Wie soziale Medien Meinungsbildung und Orientierung in der Welt prägen [Between Promise of Participation and Power of Algorithms. How Social Media Impacts Opinion Formation and Orientation in the World]“, lecture by J.-H. Schmidt at the didactical conference "Populimus und Schule [Populism and School]" of the Volksbunds Kriegsgräberfürsorge Niedersachen [War Graves Commission of Lower Saxony] on 27 February 2018 in Oldenburg.