Digiday Daily

October 01, 2026

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Seven months after OpenAI started selling ads in ChatGPT, marketers are still asking how they’re supposed to measure them. It has become the sticking point in almost every conversation Digiday has had about the company’s progress as an ad seller.

TOP STORY

Marketing on Platforms

OpenAI's measurement gaps are keeping ChatGPT ads budgets at test level

OpenAI’s ChatGPT ads have a measurement catch-22

OTHER THINGS TO KNOW

Tomorrow is your last chance to enter the Digiday AI Awards. Don’t miss the opportunity to gain recognition for the innovative AI strategies, tools and campaigns shaping the future of media, marketing and advertising. Join past honorees, including Canva, VidMob, Bloomberg Media Studios and McDonald’s.
Register for this webinar on Oct. 6 at 1 p.m. ET for insights into how publishers are strengthening performance and building for what’s next – and what comes after that. Partner insights from Raptive.
CMOs must return to the fundamentals, treating every customer as a measurable economic relationship — grounded in real behaviors, real value and a clear contribution to growth and profitability. Partner insights from Zeta Global.

A MESSAGE FROM T-MOBILE ADVERTISING SOLUTIONS

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MEDIA & PLATFORMS

Retail Media Rewritten

Amazon wants to own the long game in ad measurement

Amazon says its ads sell more than they get credit for. Agencies want proof.

Member exclusive

Media Briefing: Publishers are turning GEO from an experiment into a business

Publishers are turning GEO into a new revenue stream as clients increasingly look to boost their brands’ visibility in AI-generated answers.

PARTNER INSIGHTS FROM DMEXCO

How zero-click search is changing the equation for brand visibility

For brands, machine-readable content, credible third-party coverage and a strong reputation are becoming increasingly important.

THE BUSINESS OF AI

Brand Safety

As AI slop spreads, Pixability offers a way to root it out on YouTube

All social media platforms these days bristle with exponentially increasing amounts of AI slop. What if there’s a new way to root it out?

The Creator Economy

The creator economy’s stance on AI is shifting — again

Creators are integrating AI tools into their workflows, but at what point does it overtake the creative process and result in sameness?