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
MediaCorp Teletext was initially launched. It was later expanded to Channel News Asia when the channel was launched on 1 March 1999. Teletext Classifieds was shut down on 1 September 2012. On 3 September 2013, MediaCorp announced that the service will be discontinued from 30 September 2013 due to “declining usage”. Teletext was provided on three MediaCorp channels, with each channel specialising in specific types of information. Teletext on Channel 5 specialised in entertainment and lifestyle information, Classifieds on Channel 8 and business information on Channel News Asia. When the service was still online, the Teletext versions of all three channels were