Why IPTV?: Interactivity, Technologies, Services

Johan Hjelm is a Senior Research Engineer for Ericsson (NRJ) in Tokyo, Japan, where he oversees the project management of cooperation projects and is participant in Connected Home activities. He has previous experience in IPTV and was project manager for the IPTV project at Ericsson (EAB) in Sweden. Hjelm has assisted in a number of research projects including the World Wide Web Consortium (W3C) and the Massachusetts Institute of Technology (MIT). To date Hjelm has published 11 web-based books and has written freelance for several leading computer publications such as Datateknik, Datornytt and Natvarlden.