Group M caught up with Sir Martin Sorrell after a brief tour of this year's Consumer Electronics Show in Las Vegas.
Sir John Hegarty has said agencies should take their own advice and act more like brands, in the latest installation of Campaign's Talking Inspiration series.
This month, Campaign's Talking Inspiration series talks to Daniel Bonner, the global chief creative officer of digital agency Razorfish, about creativity, "the idea" and telephones.
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