Teletext Ltd. on 31 January 2011, with editorial content from the Radio Times instead of Teletext Ltd. In spite of its name, the ""Teletext""-branded service was neither the first nor the only teletext service in the UK. The BBC (one of the original developers of teletext) launched its Ceefax teletext service in 1974, the same year that "Teletext's" predecessor, ORACLE also appeared. Although ORACLE closed at the end of 1992 (when Teletext Ltd outbid it for the franchise), Ceefax continued to run on BBC analogue channels until the cessation of analogue signals in October 2012. FourText, originally called 4-Tel, was first run
Teletext economic Teletext system with 1971 technology. However, as low cost was essential to the project's long term success, this obstacle had to be overcome. Meanwhile, the General Post Office (GPO), whose telecommunications division later became British Telecom, had been researching a similar concept since the late 1960s, known as Viewdata. Unlike Teledata which was a one-way service carried in the existing TV signal, Viewdata was a two-way system using telephones. Since the Post Office owned the telephones, this was considered to be an excellent way to drive more customers to use the phones. In 1972 the BBC demonstrated their system,