Teletext systems expensive cost of NABTS decoders, costing in the thousands of dollars upon their release to the public. NABTS, however, was adopted for a short while by American TV networks NBC & CBS throughout the early-to-mid 80s, CBS using it for their short-lived ExtraVision teletext service, which premiered after the early Antiope & Ceefax trials by CBS & KNXT, and NBC, who had a NABTS-based service called NBC Teletext for a very short time in the mid-1980s. NBC discontinued their service in 1985 due to the cost of NABTS decoders not dropping to an affordable level for the consumer public. The
BBC World Service Service is funded by the United Kingdom's television licence fee, limited advertising and the profits of BBC Worldwide Ltd. The service is also guaranteed £289 million (allocated over a five-year period ending in 2020) from the UK government. The World Service was funded for decades by grant-in-aid through the Foreign and Commonwealth Office of the British Government until 1 April 2014. The controller of BBC World Service, English, is Mary Hockaday. The BBC World Service began in 1932 as the BBC Empire Service, broadcasting on shortwave and aimed principally at English speakers across the British Empire. In his first Christmas