“Anforderungen an einen netzadäquaten Jugendschutz” [Requirements of Net-Oriented Protection of Minors], talk by W. Schulz at the symposium “Online-Jugendschutz – geht’s noch?” [Online Protection of Minors – Can You Believe It?] of the Hans-Bredow-Institut, the Media Authority Hamburg/Schleswig-Holstein and the Hamburg Chamber of Commerce on 25 May 2011.