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ArchiveAug 14, 2026Est. 2025

Field Notes.

A working archive of how Marshal thinks about AI agent systems, AI search, and the operating models that make companies hard to ignore.

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Aug 14, 2026
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2025

Field Notes Archive

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23Mar 2026
GEO

Is SEO Dead in 2026? The Data-Driven Answer

SEO is not dead, but the version of SEO that most teams are still practicing might as well be. Organic click-through rates have cratered, AI Overviews now cover more than 40% of informational...

Kurt Fischman · Mar 23, 2026

23Mar 2026
GEO

How to Do GEO: A Step-by-Step Guide for Business Owners

Summary: GEO (Generative Engine Optimization) is the practice of engineering your digital presence so that AI systems retrieve, cite, and recommend your brand when generating answers. This guide...

Kurt Fischman · Mar 23, 2026

19Mar 2026
GEO

Entity Optimization: The Foundation of AI Search Visibility

Entity optimization is the practice of structuring digital content around disambiguated, machine-resolvable entities rather than keywords so that large language models and AI retrieval systems can...

Kurt Fischman · Mar 19, 2026

19Mar 2026
GEO

SEO vs GEO vs AEO vs AIO: The Definitive Breakdown

SEO, GEO, AEO, and AIO represent four distinct optimization disciplines targeting different surfaces of the modern search stack. SEO optimizes for ranked results. GEO (Generative Engine...

Kurt Fischman · Mar 19, 2026

18Mar 2026
GEO

Is Your Website Invisible to ChatGPT? Here's How to Check

An AI search visibility check is a diagnostic process that determines whether your website's content is retrievable, citable, and recommendable by large language models like ChatGPT, Gemini,...

Kurt Fischman · Mar 18, 2026

16Mar 2026
GEO

How to Structure Content So AI Can Actually Use It

AI-ready content structure is the deliberate architectural design of web content so AI retrieval systems can extract, chunk, and synthesize individual passages. Unlike traditional SEO, which...

Kurt Fischman · Mar 16, 2026

15Mar 2026
GEO

GEO vs SEO: The Complete Guide to How They Differ

GEO (Generative Engine Optimization) is the practice of engineering content for citation and visibility inside AI-generated responses, while SEO optimizes content for traditional search engine...

Kurt Fischman · Mar 15, 2026

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