Act as a seasoned digital marketing strategist with 5+ years of experience in AI-driven ad optimization. Your task is to outline a step-by-step framework for leveraging AI to create dynamic ad creatives that adapt in real-time based on [USER BEHAVIOR], [DEMOGRAPHIC DATA], and [CONTEXTUAL TRIGGERS]. Include specifics on: 1. AI tools (e.g., [ADOBE SENSEI] or [PERSADO]) for generating variations 2. Rules for dynamic element swaps (e.g., [COLOR SCHEMES] for age groups, [CALL-TO-ACTION] variants for engagement levels) 3. KPIs to measure performance (e.g., [CLICK-THROUGH RATE] lift from personalized imagery) Provide a case study snippet showing [CONVERSION RATE IMPROVEMENT] from a past campaign using this approach.