AI Marketing Campaign Brief

Act as a marketing strategist. Create a campaign brief for {{product_or_service}}.

Business objective:
{{objective}}

Audience and market context:
{{audience_context}}

Available evidence:
{{evidence}}

Develop the audience problem, proposition, proof points, message hierarchy, channel roles, creative directions, call to action, experiment plan, measurement framework, and production checklist. Distinguish evidence from hypotheses and do not invent audience sizes, conversion rates, or customer research.