PostA daily briefing for media sellers
No. 97 · 3 Oct 2026 · 8 stories
The squeeze is now two-sided
Apple escalated its iOS 27 blocklist from a handful of names to a remotely-updated list of hundreds of CDPs, DSPs and data vendors, while Google's relationship with publishers was redefined on three fronts in a single week: its ad-tech antitrust case cleared a major hurdle, its AI Overviews antitrust case was dismissed, and its pay-to-contribute pilot turned out to pay most publishers less than 0.1% of ad revenue. The open web is being squeezed between two platforms, each with a different mechanism but the same effect: less traffic, less data, less revenue flowing back to the publishers who feed them.
The pushback is organising
Publishers are no longer litigating one-off claims. A 300-executive fly-in pushed the Stealth Bot Prohibition Act, SPUR shipped a telemetry standard and invited the AI giants to its advisory board, and the surviving Google ad-tech claims carry a $1.72bn class-wide damages estimate. The message is consistent: if you want our content, you will measure it, license it, and pay for it.
Some are building around it
GEO went from experiment to a paying revenue line in under a year, Index Exchange is betting that containerization rewrites the economics of the open web, and The Independent doubled revenue to £55m on AI products, video, e-commerce and US expansion. The publishers thriving right now are the ones treating AI visibility, agent traffic and first-party audiences as new assets rather than defending the old search funnel.
What this means for publishers
Apple's blocklist makes first-party data and contextual monetisation non-negotiable. Audit your identity and data vendors against iOS exposure now, not after yield drops.
Google's payouts are a floor, not a ceiling. Use the published figures ($1,000 to $1m) to anchor your own licensing asks.
GEO is the fastest new revenue line in publishing. If you are not fielding AI-visibility questions from clients, you are leaving premium budget on the table.
Containerization and sell-side decisioning could shift negotiating power back toward the supply side. Watch Index Cloud and the IAB Tech Lab's Agentic Real-Time Framework.
Legislation and telemetry are converging. Publishers who participate in SPUR and support the bad bots bill will have first-mover advantage in the coming licensing market.
On the Radar
IAB AI measurement framework (November): the attribution fix GEO budgets are waiting on.
SPUR first technical committee (Oct 15): auditing and evidencing rules for AI usage.
Index Exchange containerization announcements (early next year).
Search Console AI Overviews opt-out rollout (Competition and Markets Authority-mandated).
The New York Times vs OpenAI and Microsoft copyright ruling.