The 'content' of any medium is always another medium.

TV acting is so extremely intimate, because of the peculiar involvement of the viewer with the completion or "closing" of the TV image, that the actor must achieve a great degree of spontaneous casualness that would be irrelevant in movie and lost on the stage. For the audience participates in the inner life of the TV actor as fully as in the outer life of the movie star. Technically, TV tends to be a close-up medium. The close-up that in the movie is used for shock is, on TV, a quite casual thing.

Invention is the mother of necessities.

Those conspiracies that are too incredible to be believed, are by the same right, those which most often succeed.

In a cool medium, the audience is an active constituent of the viewing or listening experience. A girl wearing open-mesh silk stockings or glasses is inherently cool and sensual because the eye acts as a surrogate hand in filling in the low-definition image thus engendered. Which is why boys make passes at girls who wear glasses.

...the logic of the photograph is neither verbal nor syntactical, a condition which renders literary culture quite helpless to cope with the photograph.

A new medium is never an addition to an old one, nor does it leave the old one in peace. It never ceases to oppress the older media until it finds new shapes and positions for them.