
What Is SEO? The Field Guide
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.

Contributor · Everything-PR
Eduard Moraru heads AI growth strategy at 5W AI Communications. A specialist in SEO, GEO, and the creator economy, he architects the systems that get brands discovered, not just by search engines, but by the AI platforms that are reshaping how audiences find information.
At Everything-PR, Eduard oversees the EPR Research desk alongside Sarel Doglu. His own coverage includes technical SEO and site audits, how AI is changing search strategy, the market of GEO and AI-visibility platforms, and the platforms and economics of the creator economy.

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.
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