BBC teletext service, Ceefax, was introduced, created initially to provide subtitling, but developed into a news and information service. In 1978, BBC staff went on strike just before the Christmas of that year, thus blocking out the transmission of both channels and amalgamating all four radio stations into one. Since the deregulation of the UK television and radio market in the 1980s, the BBC has faced increased competition from the commercial sector (and from the advertiser-funded public service broadcaster Channel 4), especially on satellite television, cable television, and digital television services. In the late 1980s, the BBC began a process of
Teletext Ltd. Teletext Ltd. Teletext Ltd was the provider of teletext and digital interactive services for ITV, Channel 4 and Five in the United Kingdom. Teletext Ltd currently runs Teletext Holidays and Teletext Cars only. "Teletext Ltd" started providing teletext services for ITV and Channel 4 on 1 January 1993, replacing the previous ORACLE service which had lost the franchise. The company is now owned by A&N Media, the consumer division of Daily Mail and General Trust's Associated Northcliffe Digital. Its main source of income is from the UK travel website Teletext Holidays. The Chairman of Teletext Ltd is Chris Letcher who