Ad Tech Briefing: The industry is rethinking its foundations as a new world order is established

News flash: The ad industry is entering a period of profound transition as artificial intelligence reshapes how media is created, distributed, and monetized — the problem is, it’s not really clear how that’s going to play out.

As the industry’s 2026 conference season pauses, the consensus among many attendees of gatherings such as CES or the IAB’s annual leadership meeting is likely to be that few in the industry really know exactly where it will land.

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‘I’m not selling you hours’: PMG’s push beyond agencies

Advertising’s identity crisis has reached the corner office. Nobody who runs an agency wants to be called an agency anymore. 

On WPP’s full-year earnings call last month, CEO Cindy Rose declared her company was “no longer a holding company.” It is now, apparently, a “trusted growth partner for clients in the era of AI.” Over at Omnicom, John Wren’s boilerplate has quietly shifted too: the company now describes itself in filings as “the world’s leading marketing and sales company.” And Publicis Group CEO Arthur Sadoun doesn’t use any of those terms — he’s been telling investors for two years that Publicis has become a “category of one,” with a unique AI-powered model that puts it beyond comparison.

George Popstefanov isn’t buying it. None of the rebranding matters, the PMG founder and CEO argued, if these businesses continue to function like agencies — the FTE-heavy cost structures, the financial engineering, the principal media plays, the pivots from house of brands to branded house. He would know: 16 years ago, he made the same call, insisting PMG would not operate — or describe itself — as an agency.

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