Teletext systems network in the mid-late 1970s. Due to the adoption of a common teletext standard (WST), the ORACLE system ceased in 1976. The name was retained for the service itself, that continued after that year using the WST standard. "World System Teletext" (or "WST") is the name of a standard for teletext throughout Europe today. Almost all television sets sold in Europe since the early ’80s have built-in WST-standard teletext decoders as a feature. It originally stems from the UK standards developed by the BBC (Ceefax) and the UK Independent Broadcasting Authority (ORACLE) in 1974 for teletext transmission, extended in 1976
Sbectel service in conjunction with Teletext Ltd, Teletext on 4, on pages 400-499. In September 2007 the bilingual digital text service available on S4C Digidol was launched only to Freeview viewers in Wales. When the first area in Wales (most of South West Wales) completed its Digital Switchover on 9 September 2009, 'Sbectel' also ceased. Partly it has been replaced by service pages from s4c and bbc on the internet, as: Sbectel Sbectel () is the name of S4C's former ancillary teletext service. It was named after the Welsh language S4C programme magazine called Sbec (Welsh for 'peek') which was originally