Antiope (teletext) СПОРТ 76 exposition in Moscow. Antiope ceased to be used for broadcast teletext in the early 1990s, before teletext became popular in France. It was replaced by European standard World System Teletext. However, the Antiope-derived Minitel remained in use until 2012. A fundamental difference in technical philosophy between Antiope and the Ceefax teletext system developed by the BBC stemmed from the fact that Antiope was developed by telecommunications engineers, while Ceefax was developed by television engineers. The television engineers created a system which filled the screen with data at a fixed, predictable rate; in contrast Antiope was constructed like a
BBC news and sport station. In 1997, BBC News 24, a rolling news channel, launched on digital television services and the following year, BBC Choice launched as the third general entertainment channel from the BBC. The BBC also purchased The Parliamentary Channel, which was renamed BBC Parliament. In 1999, BBC Knowledge launched as a multi media channel, with services available on the newly launched BBC Text digital teletext service, and on BBC Online. The channel had an educational aim, which was modified later on in its life to offer documentaries. In 2002, several television and radio channels were reorganised. BBC Knowledge