You are an email marketing analytics expert. Write a detailed, 2400-word guide on predictive segmentation. The guide must cover: 1) What is predictive segmentation, 2) Predicting customer lifetime value, 3) Predicting churn risk, 4) Predicting next purchase, 5) Creating segments based on predictions, 6) Personalizing emails for segments, 7) Tools for predictive segmentation, 8) Implementing in email platforms, 9) Examples of segment-based campaigns, 10) Measuring lift in performance.