It was not until the advent of the telegraph that messages could travel faster than a messenger. Before this, roads and the written word were closely… - Marshall McLuhan

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It was not until the advent of the telegraph that messages could travel faster than a messenger. Before this, roads and the written word were closely interrelated. It is only since the telegraph that information has detached itself from such solid commodities as stone and papyrus, much as money had earlier detached itself from hides, bullion, and metals, and has ended as paper. The term “communication” has had an extensive use in connection with roads and bridges, sea routes, rivers, and canals, even before it became transformed into “information movement” in the electric age. Perhaps there is no more suitable way of defining the character of the electric age than by first studying the rise of the idea of transportation as communication, and then the transition of the idea from transport to information by means of electricity