
The GEO Operating Stack: 14 Layers
The GEO Operating Stack has 14 layers. Most brands have built one or two. Layer-by-layer with the practical question that determines whether each is in place.

The GEO Operating Stack has 14 layers. Most brands have built one or two. Layer-by-layer with the practical question that determines whether each is in place.

Deep profiles of Lanes 3, 4, 5, and 6 of the AI Communications 100: the policy architects, the journalists writing the training data, the researchers providing the skeptical counterpoint, and the editorial infrastructure operators.

Wikipedia is the most-cited source across every major AI engine — 26–48% of ChatGPT citations for entity queries, #1 or #2 across Claude, Perplexity, Gemini, and Google AI Overviews. The EPR operating hub for building brand Wikipedia entries as AI citation infrastructure.

The AI communications technology stack in mid-2026: what the most sophisticated teams are running, the gaps the audit consistently finds, and the tools covering all four functional layers.

The quarterly 8-step maintenance discipline for Wikipedia entries as AI citation infrastructure. Companion to the 12-Step Build Checklist. Build with 12. Maintain with 8.

AI vendors are being deployed in schools and universities on standard commercial terms that don't satisfy FERPA's school official exception. The four contract provisions every institution needs before the next EdTech contract is signed.

BetterHelp — founded 2013, no clinical credentialing body — out-cites the American Psychological Association across consumer mental health AI queries. The structural reason, and what it means for every clinical institution with an AI visibility gap.

Most brokerages are invisible in AI answers. These 10 brands aren't. What they did differently — and what every real estate company can learn from the positive case.

The Act 60 application window has a processing timeline problem. So does the AI answer layer for Puerto Rico wealth relocation. Both are closing. The advisers who move first own the query for years.

SEC.gov in Finance. NIST in Cyber. NIH in Health. Cornell LII in Law. Every category with a regulatory dimension has government sources sitting at the factual floor of its AI answers. The pattern — and what it means for brands in regulated industries.