Teletext of teletext from the late 1990s and many broadcasters have ceased broadcast of teletext—CNN in 2006 and the BBC in 2012. In the UK the decline of teletext has been hastened by the introduction of digital television, though an aspect of teletext continues in closed captioning. In other countries the system is still widely used on standard-definition DVB broadcasts. A number of teletext services have been syndicated to web viewers, which mimic the look and feel of broadcast teletext. RSS feeds of news and information from the BBC are presented in Ceefax format in the web viewer at PagesFromCeefax.net. In
Teletext list of news headlines might appear on page 110; a teletext user would type "110" into the TV's remote control to view this page. The broadcaster constantly sends out pages in sequence. There will typically be a delay of a few seconds from requesting the page and it being broadcast and displayed, the time being entirely dependent in the number of pages being broadcast. More sophisticated receivers use a memory buffer to store some or all of the teletext pages as they are broadcast, allowing instant display from the buffer. This basic architecture separates from other digital information systems, such