Holding companies continued their push to grow principal media businesses this week, with Digiday's Media Buying Briefing examining the latest incentive structures and commercial lures agencies are deploying to shift more client spend through their own inventory positions. Principal media — where agencies buy inventory at risk and resell it to clients — has become a significant and somewhat controversial revenue line for the major holding groups, raising ongoing questions about transparency and alignment of interests. The briefing suggests the practice is not only persisting but actively being expanded with new financial engineering.
On the creative side, Digiday also explored the shifting power dynamic between brands and creators over the creative brief — a relationship that is being fundamentally renegotiated as creator-led content proves its performance credentials. The question of who controls the narrative, the format, and the call-to-action is increasingly contested territory, with implications for how agencies position their creative services in an influencer-saturated market.