Advertising Week 2014

Video With WPP's Sorrell: Ad Industry Must Prove It Grows Clients' Topline

Convincing Marketers Can Be 'Quite Difficult'

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More than five years into the economic recovery, marketers remain skittish when it comes to boosting budgets. That's why, according to WPP CEO Martin Sorrell, the greatest challenge facing the advertising industry is proving to clients that it can boost their topline. But convincing them is "quite difficult," he told Ad Age in an Advertising Week interview.

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