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Advertising - Wikipedia, the free encyclopedia

1 History 1.1 19th century 1.2 20th century 1.2.1 Influence of early psychology 1.2.2 On the radio from the 1920s 1.2.3 Public service advertising in WW2 1.2.4 Commercial television in the 1950s 1.2.5 Media diversification in the 1960s 1.2.6 Cable televis...

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