| http://www.w3.org/ns/prov#value | - Cable channels began to be listed in the magazine in 1980 or 1981, depending on the edition; regional and national superstations available on cable systems in the designated market of many editions were the only cable channels listed initially, with cable-originated channels (such as HBO and CNN) ??? which the magazine originally promoted mainly in full-page advertisements ??? being added later.
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