Copyright: The contents of this homepage "Virtual-Mobility.de" must not be published elsewhere (e.g. mailing lists, bulletin boards etc.) without the author's explicit permission and must not be used for commercial purposes. If you cite, copy or quote this homepage, you must include this copyright note, regarding the conventions of academic citation: Matthias Kracht, "Virtual Mobility - Mobilitätsverhalten und Mobilitätsanforderungen von Internetnutzern " (short summary), published at website: www.virtual-mobility.de. Full paper copy as diploma thesis at Free University of Berlin, Germany, Institute of Geography, Research group: TEAS - Theoretical, Empirical and Applied Spatial and Urban Research, Head: Prof. Dr. G. Braun Berlin, February 2000