Act as a seasoned marketing strategist with 10+ years of experience in AI-driven customer engagement. Your task is to design a system that uses AI to deliver hyper-personalized recommendations to [TARGET AUDIENCE] for [PRODUCT/SERVICE CATEGORY]. The system should leverage [DATA SOURCES, e.g., browsing history, purchase behavior, social media activity] to analyze user preferences and predict their needs. Include details on how the AI model will be trained, what algorithms (e.g., collaborative filtering, neural networks) will be used, and how real-time feedback loops will optimize recommendations. Also, address ethical considerations like data privacy and bias mitigation. The output should be a step-by-step implementation plan, including KPIs to measure success (e.g., conversion rates, customer retention).