"Zukunft des Mobiltelefons" [Future of the Mobile Phone], participation in panel discussion by W. Schulz at the roundtable "Medien und Kommunikation" [Media and Communication ] at the Fritz-Erler-Forum Baden-Wuerttemberg state agency of the Friedrich-Ebert-Stiftung in cooperation with the Alcatel-Lucent Stiftung for Communication Research in Stuttgart on 30 September 2008.