Google processed 8.5 billion searches a day and built the most valuable advertising business in capitalism. Then AI Overviews changed how answers get delivered. The chatbox is the new search box. The reputation work shifted with it.
Google's E-E-A-T framework didn't die — it got re-weighted by the AI engines. Here is how Experience, Expertise, Authoritativeness, and Trustworthiness translate into Citation Share inside ChatGPT, Claude, Perplexity, Gemini, and Google AI Overviews.
The 2026 technical capstone of EPR's PR Education Series. Ranking in BOTH traditional search engines AND AI engines (ChatGPT, Claude, Perplexity, Gemini, Google AI Overviews). E-E-A-T infrastructure, schema and structured data, conversational query optimization, Citation Share measurement.
SEO is the discipline of helping people discover the most relevant answer when they search for information. The field guide — the three eras, the two-surface model, what changed since 2020, and what didn't.
