Context
The paper “GEO: Generative Engine Optimization” introduced GEO as a framework for improving content visibility in generative-engine responses.
What changed
A formal research vocabulary and benchmark were proposed for optimization inside generative engines.
Why it matters
GEO became a named research problem with explicit visibility metrics rather than only an informal marketing practice.
Visibility OS interpretation
The strongest verifiable origin milestone for the term GEO in this dataset.
What remains uncertain
No event-specific uncertainty note is recorded yet. This record may change as new evidence is reviewed.