OMNICOM GROUP was listed in Advertising Age as the #1
advertising agency. The rest of the top agencies can also be found
at Advertising Age online via PDF at www.adage.com
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Advertising Age is a magazine that is currently on the market.
It was first published in 1930 in Chicago, but it began as a
newspaper, not a magazine.
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An advertising agency or ad agency is a service business
dedicated to creating, planning and handling advertising (and
sometimes other forms of promotion) for its clients
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"Advertising Age", also known as AdAge, is a magazine providing
information and analysis on developments in the world of media and
marketing. It began life as a Chicago newspaper in 1930.