Public relations and advertising are not the same thing. The point of advertising is to induce a sale. Advertising almost always has a call to action that is easy to ascertain. Public relations, on the other hand, is meant to inform or educate the audience, and promote a relationship with the media and the audience, making sure the consumer has the right information.

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Diary Of A Mad Media Specialist: Differences Between PR And Advertising – Business 2 Community