Apparently this article discusses the Videotex technology https://en.wikipedia.org/wiki/Videotex https://en.wikipedia.org/wiki/Videotex , where Minitel https://

Apparently this article discusses the Videotex technology https://en.wikipedia.org/wiki/Videotex https://en.wikipedia.org/wiki/Videotex , where Minitel https://en.wikipedia.org/wiki/Videotex https://en.wikipedia.org/wiki/Videotex was the most prominent brand. This seems to be a kind-of predecessor of the 90s modem uplinks with personal computers.