Sergei Einstein: "As the silent film cried out for sound, so does the sound film cry out for color."
McLuhan takes a parallel form to Einstein: "As the printing press cried out for nationalism, so did the radio cry out for tribalism."
When the Pentagon began using jet travel, experts were continuously flown in from different parts of the world, and specialists were called from their desks every few minutes to hear reports. The frequency of this disruption results in paperwork being unfinished, and in a lack of information about the locations that are so quickly reported on.
Electric light changes patterns of human organization when it encounters them: cars can begin travelling at night, ball players can begin playing at night, and buildings no longer require windows.
The telegraph restructured newspapers, and one of the ways it did so was allowing for "human interest" stories. This took significant interest away from the theater.