Generally speaking, anything that the human mind can conceive can ultimately be produced.
David SarnoffTelevision is likely to do more to revolutionize politics than sound broadcasting did. Political candidates may have to adopt new techniques to benefit from visual radio: their dress, their smiles and gestures, all will be important. How they look, as well as what they say, may determine to an appreciable extent their popularity. The eyes of the public will be upon them.
David Sarnoff