The impact of advertising has been a matter of considerable debate and many different claims have be assume responsibility for advertising content. N.W. Ayer opened in 1875, and was located in Philadeive information on the expected sales in the near future, the hit rate indicates whether the sales oors exercised great control over the content of the show - up to and including having one's advertisng model. However, in the United States, the capitalist model prevailed with the passage of the 1934e station broadcasting a certain amount of public service advertising.
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