AI-Ready CMO

How AI is changing SEO as we know it

SEO expert Mark Williams-Cook sat down with The Neuron for a 77-minute conversation about AI and search.

Peter Benei and Torsten Sandor, 13 October 2025

SEO expert Mark Williams-Cook sat down with The Neuron for a 77-minute conversation about AI and search. If you’re hoping for someone to explain why your website traffic is quietly bleeding out while AI tells confident lies about your brand, you’re in the right place.

The core problem isn’t that AI is replacing search—it’s that AI is breaking the feedback loop that made search work.

Google’s PageRank was built on a link graph: sites linked to quality, quality got visibility, users clicked through and reinforced the signal. But when ChatGPT or AI Overviews summarize your content without sending anyone to your site, that loop dies. Fewer visits mean fewer links, which means the link graph rots, which means Google has less signal to work with, which means search quality degrades for everyone.

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To make things worse: LLMs hallucinate by design. Their reward functions incentivize plausible-sounding answers over “I don’t know,” so a 1% error rate at Google’s scale means millions of confidently wrong answers circulating back into the training data. The system eats its own tail.

Mark’s advice isn’t to panic or pivot to “Generative Engine Optimization” (which he dismisses as SEO with a new acronym). Instead, he doubles down on fundamentals.

He offers plenty of actionable advice in the interview, but three things stood out to us:


And, if ever in doubt, Mark’s “Golden Rule” is a great guide: Never do anything for SEO that harms user experience. For instance, if optimizing for AI makes your writing worse for humans, you’re doing it wrong.

The uncomfortable truth Mark keeps circling back to: Google’s system goal isn’t “organize the world’s information.” It’s “make ungodly amounts of money.” Organic results exist to support the ad business, and publishers who threaten that model get algorithmically kneecapped. AI search is following the same playbook, just faster and less transparent.

So instead of chasing the next optimization trick, invest in the stuff that actually compounds: better product, clearer differentiation, stronger customer relationships. The models will eventually reflect that. The question is whether your site will still be around to benefit when they do.


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