Between the Civil War and World War I, advertising grew tremendously as a field, though no one thought of it as a science. The United States experienced a boom in newspaper and magazine publishing funded largely by advertisers. Every major city had inexpensive competing dailies and a national magazine industry grew. Advertisements at this time were text-driven with perhaps an illustration of the product. Extensive information, the kind one might find on a patent application, was included, as well as information on price.
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