BBC In 1951, in conjunction with Oxford University Press the BBC published "The BBC Hymn Book" which was intended to be used by radio listeners to follow hymns being broadcast. The book was published both with and without music, the music edition being entitled "The BBC Hymn Book with Music". The book contained 542 popular hymns. The BBC provided the world's first teletext service called Ceefax (near-homonymous with "See Facts") on 23 September 1974 until 23 October 2012 on the BBC 1 analogue channel then later on BBC 2. It showed informational pages such as News, Sport and the Weather. on
Teletext systems of standard teletext in 1991. The CBC ran a teletext service, IRIS, accessible only in Calgary, Toronto and Montreal. It ran from 1983 until about 1986, and used the Canadian-developed Telidon system, which was developed in 1980. Like Antiope, Telidon allowed significantly higher graphic resolution than standard teletext. Adoption in the United States was hampered due to a lack of a single teletext standard and consumer resistance to the high initial price of teletext decoders. Throughout the period of analogue broadcasting, teletext or other similar technologies in the US were practically non-existent, with the only technologies resembling such existing in