The price for the ten-year-old London-based agency was undisclosed. Rob Norman, the chief digital officer of GroupM, the media-buying arm of WPP, told Campaign: "It does give us more firepower. Their biggest client by far is Google and this deal massively catapults our expertise in the Google 'tech stack.' It is a large part of our interest in this business. Philosophically, they understand that media, data, creativity and mobility are now part of a single, joined-up space."