judgecorp writes: "Millions of Britons have lost access to Ceefax, the real time information service that has piggy-backed on blank lines of the analogue TV signal since the 1970s. Analogue TV is being switched off, and the low-res news service looks like going with it." Link to Original Source
Algebraic symbols are used when you do not know what you are talking about.
-- Philippe Schnoebelen