Electra (teletext) VBI (WTBS was in turn owned by Turner Broadcasting System, which would purchase the Hanna-Barbera animation studio, and most shows from sister company Ruby-Spears, from Taft successor Great American Broadcasting in 1991; Turner is now part of Time Warner). Electra was America's answer to the British Ceefax or ORACLE systems, providing news headlines, weather, entertainment/lifestyle info, and other information. Electra used the World System Teletext (WST) protocol, the same protocol used by Ceefax and ORACLE, as well as by other teletext services in the rest of the European continent. Electra was one of the very few American teletext services in
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