Ditzitel, a Dutch videotex service that was scheduled to launch in 1986 but never did. Full soothing video ad here.
Girotel, a videotex banking service for old white men, running on the Dutch Viditel network from 1986. Most images from here.
Louise Marie “Lou” Loeber (1894-1983) – a Dutch artist active in De Stijl for a while. h/t: Tim Koch