Liz 
The session moved across identity, provenance, Prebid Server, and Prebid Cache. However, the common theme was that the next set of adtech defaults are being shaped now. So publishers, you need to get involved.
I don’t care how low you are in the organization, but if you can get time with your CFO or someone at that level, learn what the vision is and then create your own models that you can share with them. Five year goals are met one impression at a time.
When Chrome’s Heavy Ad Intervention pulls an ad for consuming too many resources, the slot goes dark. A member now reports that Google is automatically refilling those slots by default, without anyone asking.
In this exclusive conversation, Eilon Goldstein gets into what GPID was meant to solve, where implementations tend to go sideways, and what publishers should look at first if they want to know whether their setup is helping or hurting them.
If sell-side decisioning becomes another opaque toll booth, publishers will lose confidence, buyers will question the economics, and the open internet will have recreated the problems it claimed to solve.
Ju-kay gets into why reconciliation is still so manual, why threshold-based alerts miss the slow-moving issues that matter, and what changes when teams can normalize data across systems instead of forcing operators to connect every dot themselves.
How do you prepare for a climb when you can’t see the route? Not with a step-by-step plan. A plan is a list of moves, and it only works if the wall stays put. The first time a hold crumbles, your plan is just directions to a place that’s gone.
In theory, GPID solves a core pain point: without it, the same ad slot can appear with varying identifiers across SSPs, wrappers, and reseller paths. Yet despite widespread adoption, real-world implementations often introduce variations that undermine GPID’s core promise: persistence.
Manual reporting may keep ad ops teams close to the numbers, but it also asks experienced people to spend their best hours searching for problems instead of solving them.
Six large publishers (Condé Nast, Time among them) told Digiday how they’re shifting from impression-based pitches to direct-sold custom content, products, and events as Google search referrals tank.