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What can be identified about cross-platform reach?

Calculate frequency and reach bounds; deduplicate only with common identity. Declare the observation window or study design before running. The result includes denominators and leaves unidentified quantities uncomputed.

Required data: channel · Common observation period · Exact exposure frequency · Audience count by frequency

Reach bounds are not confidence intervals. Without shared identity, cross-platform overlap remains unidentified.

Next step

Where the budget should go

Common next stepPrepare a new dataset
Traffic quality
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