[[File:Minitel terminal.jpg|thumb|right|Minitel 1B]]
The Télétel (usually called Minitel, named after the terminal) was a videotex online service accessible through telephone lines. Videotex is a modified interactive version of the Teletext protocol that existed in TV broadcast.
Launched commercially in 1982, it was the world's first and most successful mass-market online service prior to the World Wide Web.