As consulting firms continue to move aggressively into ad agencies’ territory (with major players including Accenture, Deloitte, IBM and PricewaterhouseCoopers), WPP has come back to assert its dominance through Kantar, its data and investment division. Combining four of its existing brands–Kantar Added Value, Kantar Futures, Kantar Vermeer and Kantar Retail–the company officially streamlined its consulting…

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