Apart from the perfect suits, vintage watches, smoking in the office and the vulgar, promiscuous lifestyle, fans of Mad Men may have noticed something else that characterized the ad industry of the past. There was no such thing as separate creative agencies and media agencies.
Back then, both entities were collaborating departments of the same advertising agency. Now, the meteoric rise of data-driven advertising prompts a return to this model. Whether you like it or not, consolidation is happening.
Read more in this article by Marvin.