Teletext 2016, the Teefax teletext service was launched in the United Kingdom to coverage by the BBC, ITV and others. Using a Raspberry Pi computer card as a set-top box, it feeds its service to standard televisions. Teefax content is a mix of crowdsourcing, syndication and contributions from media professionals who contributed heavily to broadcast teletext services. Teefax is also syndicated to a web viewer. The systems were originally incompatible; Ceefax displayed pages of 24 lines with 32 characters each, while ORACLE offered pages of 22 lines with 40 characters each. In other ways the standards overlapped; for instance, both used
Service Information o'clock "Service Information" bulletin from Friday, 24 August 1973 which includes the announcement concerning the last day of trade test colour films being shown. Service Information Service Information was a regular programme in the early days of colour television in the United Kingdom that gave out engineering information for the radio and television trade. These announcements were made by the BBC continuity announcers of the time and were read over in-vision captions. The programme was broadcast on BBC2 three times a day, 10.00am, 11.30am, and 2.30pm each weekday from 23 October 1967 to 1975, then once a day at 10.30am