Tagged With GroupM

The world's biggest ad-buying firm has jumped on Google's woes by offering a tool to buy 'safe' YouTube ads


WPP has formed a new unit that wants to create a rival to Google, Facebook, and Apple ID


In the wake of report into non-transparent ad agency rebates, WPP is redrafting its media contracts



WPP's GroupM claims in a lawsuit that auditing company FirmDecisions is 'misusing' confidential information


GroupM's digital boss Rob Norman rips into the ANA report into media agency rebates


The chief digital officer of WPP's GroupM tells us why his company just acquired Google's digital media agency Essence