"Social Networks, Wikis, Microblogs – Herausforderungen für die Medienkompetenzförderung" [Social Networks, Wikis, Microblogs – Challenges for the Advancement of Media Competence], lecture by C. Lampert in the context of the lecture series "Keine Bildung ohne Medien! - Ansätze, Kritik und Perspektiven der Medienkompetenzförderung" [No Education without Media! – Approaches, Criticism and Perspectives of the Advancement of Media Competence] at the University of Hamburg on 29 June 2010.