Field notes

How assistants decide which brand to name.

Research, playbooks and numbers from the prompt sets we run every week across ChatGPT, Claude, Gemini and Perplexity.

Sep 2, 2026 · 6 minAnswer share is the new market shareWhen an assistant names three brands, the fourth does not exist. That is the whole shift, and it is already priced into your traffic.StrategyAnswer share

Aug 21, 2026 · 8 minHow assistants choose which brand to nameNot the highest ranked page. The most quotable one. Here is the mechanism, and the four properties the winning source almost always has.CitationsPlaybook

Aug 7, 2026 · 5 minThe prompt set is the assetTracking rankings for keywords made sense when people typed keywords. They now type sentences, and the sentence list is what you should be maintaining.PlaybookPrompts

Jul 24, 2026 · 7 minModel drift is a weekly eventAssistants change what they cite without telling anyone. We watched one category lose a third of its answer share in eleven days.Answer shareResearch

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