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
Teletext Ltd. in conjunction with ORACLE, as an auxiliary teletext provider for Channel 4 from 1982. 4-Tel occupied pages 410-469 within ORACLE's page space. When ORACLE lost its licence and was replaced by Teletext Ltd in 1993, 4-Tel moved to its own page space on pages 300-399 (effectively its own magazine). Channel 4 enlisted Intelfax to run the service. In 2002, 4-Tel was renamed FourText. In addition, FourText also launched on digital television. In 2003, Channel 4 ended their contract with Intelfax and contracted out the service to Teletext Ltd. The new service was named Teletext on 4 and operated on pages