Frustration and confusion are recurring themes for marketers in the first wave of media, creative and digital agency reviews coming to light for 2020. The new breed of agency model, say the architects like Clemenger-CHEP, M&C Saatchi-Bohemia, Publicis Groupe, CX Lavender and The Hallway, is about cost-out, simplifying operations, connected thinking across data, tech, customer experience and media and proving the impact of strategy. More changes are coming.