platforms: Viditel (launched in 1980) and Videotex Nederland. From the user perspective the main difference between these systems was that Viditel used standard
PTT (now KPN) operated two platforms: Viditel (nl) and Videotex Nederland (nl). The main difference was that Viditel used one big central host where Videotex
Andersen (DEN) (COOP–Hoonved) Second William Tackaert (BEL) (Fangio–Tonissteiner–OM Trucks–Mavic) Third Heddie Nieuwdorp (NED) (AVP–Viditel–Concorde [ca])
Toekomstbeeld (video, kabeltelevisie, satelliettelevisie, huiscomputer, viditel, teletekst) (1980) Fotografie bij de politie (1981) De mens in de ruimte