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One Question Becomes Dozens: What Query Fan-Out Is, and What Moz's 50k Study Found
AI search does not take your question and go looking for an answer. It expands the question into a set of sub-questions, retrieves for each, then assembles a response — Google's own term for this is query fan-out. Moz tested 50,000 fan-outs and found two expansion types account for 97% of brand mentions. Here is the mechanism, the study, and a method for auditing your own coverage gaps.
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