Publicis’s planned acquisition of LiveRamp has put neutral advertising infrastructure in play. ID5 co-founder and CEO Mathieu Roche returns after his Cannes conversation with Rio to map the real replacement job: onboarding, identity, clean rooms, activation, measurement, governance, and publisher distribution. Brett and Rio also examine ID5’s TrueData acquisition, its work with Optable and other pub-tech partners, and whether a coalition of specialists can replace an embedded