Thursday, October 22, 2026

10 stories · 3 topics · 7 outlets

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Agent-to-Agent Marketing

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Research & Data

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ChatGPT, Claude, Perplexity and Google AI Mode: why their citations cannot be compared

Journal du Net ran 25 French queries three times in each of four AI environments and found wide differences in which sources the tools cite. The article argues a brand has to know what a GEO measurement captures before steering strategy by it.

China Wrote The First GEO Rulebook After A TV Scandal – Western SEOs Should Take Notes

China has published a five-part GEO standard, and Search Engine Journal says it gives Western SEO teams a framework for measuring AI visibility, judging vendors and separating optimization from manipulation. The article links the standard to a television scandal.

Generative AI: for the same buyer, four engines describe four different markets

Journal du Net put the same buyer questions to four AI assistants three times each and found the leading brand changed from one engine to the next. The piece says being named in an answer is not the same as being recommended.

AI Overviews have nearly doubled across five commercial search modifiers

Semrush says AI Overviews now appear on 88% of the commercial keywords it tracked, up from 46%. The study breaks the change out by reviews, pricing and comparison modifiers.

GEO myths put to a data check: what 96,418 URLs reveal about AI citations

SISTRIX compared 48,527 pages cited by ChatGPT, Google AI Mode or AI Overviews with uncited pages from the same domains, drawn from 96,418 URLs in its AI index, to test common GEO advice. The company says small samples mislead: the measured effect of FAQ schema reversed as its sample grew. It lists template items, such as a table of contents, Article schema, an author box with a photo and a visible update date, and per-page items, such as an FAQ block with schema, a TL;DR and a question used as an H2.