The week the AI stack ate the ad stack
No big M&A. No earnings shockers. No fresh Trade Desk audit drama (mercifully, since that has been the only story for a month). But pull the threads from this week together, and what you actually saw was the operating layer of programmatic advertising being rewritten in front of your face.
OpenAI flipped ChatGPT ads from CPM to CPC and dropped the floor from a quarter of a million to fifty grand. The Trade Desk shipped its first live agentic product with a named agency. PubMatic wedged custom creative into its agent OS. Magnite lost its CFO and its CPO inside a fortnight. Digiday’s quote of the week: the days of bloat are over.
This is what an industry restructure looks like when it is happening to the plumbing. Quietly. On a Tuesday.
If you sit on the demand side of B2B media, here are the four stories that actually move the road in front of you.
