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
Channel Four Television Corporation service to provide schedules, programme information and features. The original service was called 4-Tel and was provided in collaboration with Oracle. In 1993, with Oracle losing its franchise to Teletext Ltd, the running of 4-Tel was taken over by Intelfax, and in 2002 was renamed FourText. In 2003, Channel Four awarded Teletext Ltd a 10-year contract to run an ancillary teletext service, named Teletext on 4, on a number of its channels. The service was provided on both Channel 4 analogue and digital television services, "Channel 4", "E4" and "More4". This has now been ceased and Teletext is no longer