BBC Red Button

BBC Red Button is a branding used for digital interactive television services provided by the BBC, and broadcast in the United Kingdom. The services replaced Ceefax, the BBC`s analogue teletext service, and is only available via digital television receivers. The service can be accessed via Digital terrestrial television (DTT) (DVB-T), satellite t....
Found on http://en.wikipedia.org/wiki/BBC_Red_Button
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