he sold these online shopping systems to large corporations mainly in the UK. All the terminals on these systems could also access the Prestel systems. Aldrich installed a travel industry system in Thomson Holidays in 1981. Other implementations The Prestel system was customised and resold by GEC Computers to several other countries, including: Austria, Australia, Germany, Hong Kong, Hungary, Italy, Malaysia, Netherlands, New Zealand, Singapore, and the former Yugoslavia. Telecom Australia re-branded their system Viatel, with the centre of operations in Windsor, Melbourne, Australia. During the Black Monday stock market crash the system's stock trading system was highly used. The system in Italy run by SIP was heavily used during the 1990 FIFA World Cup for reporting the match progress and scores. The Singapore system provided a much higher receive bandwidth than was available over dial-up modems at the time by broadcasting the return frames using the Teletext technique of embedding them in broadcast television signals. Four VHF TV channels were dedicated to this with all the scan lines used for Teletext encoding, which enabled the system to provide a feature called Picture Prestel to convey higher resolution images. The Yugoslav system was based in Zagreb, with additional IRCs located in Rijeka, Ljubljana, and Split. The American Viewtron videotex service was modelled after Prestel. Homelink In 1983 the UK's first online banking service opened with Homelink, which was a cooperation between the Nottingham Building Society and the Bank of Scotland. See also Compunet World War II Colossus computer, also built by the Post Office Research Laboratories. Minitel, a similar system developed in France. Bildschirmtext, a similar system developed in Germany. Singapore Teleview Notes References <div class="references - medium"> Fedida, S. and Malik, R. (1979). The Viewdata Revolution. London, UK, Associated Business Press, External links Prestel Magazine. October 1983 Review of Prestel from 1983 Text and images from a booklet given out at A Fanfare for Prestel event at Wembley in March 1980. A Short History of Prestel Celebrating the Viewdata Revolution Including several Prestel Brochures BT Group History of telecommunications in the United Kingdom Legacy systems Pre–World Wide Web online services Videotex