Detlef Runde received the Dipl.-Ing. degree from Aachen University of Technology (RWTH Aachen), Germany, in 1989. His PhD degree he received from the Technical University of Berlin (TU-Berlin) in 2000. He was with the Interactive Media - Human Factors Department of the Heinrich-Hertz-Institute (HHI), Berlin, from 1989 til 2014, where was working in different government-funded research projects on videocommunication employing advanced technologies like HDTV, 3DTV and the realisation of eye-contact. His main interests has been–inter alia–stereoscopic image reproduction, stereoscopic telepointing and the stereoscopic reproduction of motion parallax. From 10/94 to 3/95 he was with the Advanced Telecommunications Research Institute (ATR) Human Information Processing Res. Lab. (HIP) in Kyoto (Japan) as a visiting scientist doing research on the gain of motion parallax. He took part in the development of mobile citizen services (10/02 - 02/05), where he was responsible for data security. This idea was taken to other European Countries by the EU project Cidre (Citizen-Friendly Trans-European mGovernment Services, 01/07 - 12/08). The development and support of web-based eAppointment-systems and fully equipped suitcases for mobile citizen services was part