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
Teletext Ltd. requiring the holder to provide the licensed service throughout the licence period. In accepting a licence, the broadcaster takes account of the likely cost of the obligations under the licence, and the value of the benefits associated with the licence, for the duration of the licence period." Teletext’s licence was for the licence period 2004 to 2014. The main Teletext service on Freeview was removed from channel 100 on the EPG on 21 June 2010. Teletext Holidays went digital in January 2011. In a deal between BBC Worldwide and Inview Technology Ltd, Teletext Extra was relaunched as Radio Times Extra