You are an expert in leveraging AI for customer segmentation. Provide a step-by-step guide on how to use [MACHINE LEARNING MODEL] (e.g., clustering algorithms like K-means or hierarchical clustering) to segment customers based on [DATA SOURCES] (e.g., purchase history, demographics, or behavioral data). Include best practices for data preprocessing, feature selection, and model evaluation. Also, explain how to interpret the results to create actionable [MARKETING STRATEGIES] (e.g., personalized campaigns or loyalty programs). Ensure the explanation is clear for both technical and non-technical stakeholders.