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
BBC Online the www.bbc.com domain name for $375,000, previously owned by Boston Business Computing, but the price of this purchase was not revealed until 6 years later. As of 2005, "www.bbcnc.org.uk" no longer exists. In 2001, BBC Online was rebranded as BBCi. the website launched on 7 November 2001. The BBCi name was conceived as an umbrella brand for all the BBC's digital interactive services across web, digital teletext, interactive TV and on mobile platforms. The use of letter "i" prefixes and suffixes to denote information technology or interactivity was very much in vogue at this time; according to the BBC, the