Teletext systems expensive cost of NABTS decoders, costing in the thousands of dollars upon their release to the public. NABTS, however, was adopted for a short while by American TV networks NBC & CBS throughout the early-to-mid 80s, CBS using it for their short-lived ExtraVision teletext service, which premiered after the early Antiope & Ceefax trials by CBS & KNXT, and NBC, who had a NABTS-based service called NBC Teletext for a very short time in the mid-1980s. NBC discontinued their service in 1985 due to the cost of NABTS decoders not dropping to an affordable level for the consumer public. The
MediaCorp Teletext available for browsing via the Internet and features a nearly up-to-date version of the Teletext shown on television (delays might be up to 10 minutes). As with the Teletext on television, this service is now discontinued. MediaCorp Teletext MediaCorp Teletext was a Singaporean teletext information service provided by MediaCorp. It was carried on MediaCorp's Channel 5, Channel 8 and Channel NewsAsia. On top of the standard information carried by most teletext providers, it also carried information unique to Singapore, such as COE and ERP rates, announcements from selected ministries in Singapore and lottery results. The service was also accessible over