The GEO Briefing

A monthly briefing on generative engine optimization: what changed across ChatGPT, Gemini, Perplexity, Copilot, Claude, and Grok, and what it means for enterprise visibility.

What each issue covers

  • Platform shifts — retrieval, citation behavior, and answer format changes across the six major assistants.
  • Benchmark movement — what we observe in category visibility across the programs we run.
  • Playbooks — a single concrete technique per issue, with the signal it moves.
  • Reading list — the research and primary sources worth your time.

Who it is for

Enterprise marketing, demand generation, and communications leaders who are accountable for how their category is described when a buyer asks an AI assistant instead of a search engine. One email a month, no drip sequences.

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Reading about GEO is useful. Measuring yours is better.