title: Web 2.0 and social networks.
authors.forename: Jan P
authors.initials: JP
authors.lastname: Ehlers
authors.forename: Kai
authors.initials: K
authors.lastname: Sostmann
mesh_terms: D003194:Computer-Assisted Instruction; D004501:Education, Medical; D005180:Faculty, Medical; D005858:Germany; D006801:Humans; D020407:Internet; D061108:Social Media; D064878:Web Browser