Public Service Advertising consists of messages in the public interest, which are featured on television, radio, print or other media. While the objective of commercial advertising is to market a product or service, PSAs are messages in the public interest to raise awareness of an issue, influence public attitudes, and stimulate a desired action. The media time and space is provided for free, making it a very cost effective model.

As the oldest and most widely practiced of the three forms of social marketing, public service advertising has a rich history. To read an overview about public service advertising, click here.

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