Welker, M. “Review: Klaus Beck, Peter Glotz & Gregor Vogelsang (2000). Die Zukunft Des Internet: Internationale Delphi-Befragung Zur Entwicklung Der Online-Kommunikation [The Future of the Internet: International Delphi Study of the Development of Online Communication]”. Forum Qualitative Sozialforschung / Forum: Qualitative Social Research, vol. 2, no. 2, May 2001, doi:10.17169/fqs-2.2.943.