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145 posts
How ChatGPT understands YouTube: it reads the description
How does ChatGPT understand a YouTube video? It reads a text snippet with no transcript, and the description does most of the work.
What is different about Gemini 4 Argon? Verification
What is different about Gemini 4 Argon compared with earlier models? We check the 1M-token output limit and use cases plus the criteria for verifying AI output.
Is AI search visibility enough? Why we changed our question
AI search visibility is countable, but more of it doesn't mean your accurate information reached the answer. What measurement and three papers taught us.
Best AI Search Optimization Tools 2026: 6 GEO Tools Ranked
We compared six tools that check whether ChatGPT and other AI answers mention your brand, on measurement, action, engines, Korea support, and price.
Which of two pages do AI answers cite? The 4 gatekeepers
What does content need to get cited over a competitor in generative search? A 252K-run study finds four gatekeepers, and ChatGPT and Gemini differ.
A survey of 45 GEO papers: what holds up and what doesn't
A survey of 45 GEO papers: four research shifts in three years, nine stages of AI visibility, why content-only optimization cuts citations, and what reproduces.
Why Reddit search grew again: AI cites community signals
AI answers favor real community reviews, comparisons, and complaints over official feature lists. How brands can use community signals, by industry.
Why Does ChatGPT Cite Listicles? Format vs. Hierarchy
Listicles split items cleanly, so AI can extract just what it needs. How to write citable listicles, whether format alone is enough, and how to build hierarchy.
What is GEO? Which pages to start with, and in what order
GEO structures content so generative search like ChatGPT and AI Overviews cites it. Does it replace SEO, what order to run it in, and how to measure it.
Topical authority: why pillar-cluster beats a single post
Topical authority comes from content clusters, not single posts: the pillar-cluster model, how to design one, why it wins in AI search, and when it's enough.