GroupM unveils [m]Platform with former Xaxis chief Brian Gleason as global CEO of new unit

WPP’s GroupM has today (29 November) announced the global launch of [m]Platform, representing a major overhaul of the agency network's media investment unit. The new adtech platform promises an open ‘universal ID’ that will provide clients with measurement capabilities across all sources of online media.
The move represents a major overhaul of GroupM’s digital offering, effectively combining all of its previous adtech offerings,&nbs