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"The science fiction method is dissection and reconstruction. You look at the world around you, and take it apart into its components. Then you take some of those components, throw them away, and plug in different ones, start it up and see what happens."
- Frederik Pohl

Visicastor  
  A person who presents video broadcasts.  

And the three new men: Jole Turbor, visicastor, bulky and plump-lipped; Dr. Elvett Semic, professor-emeritus of physics at the University, scrawny and wrinkled, his clothes only half-filled; Homir Munn, librarian, lanky and terribly ill at ease.
Technovelgy from Second Foundation, by Isaac Asimov.
Published by Doubleday in 1953
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