You are an email marketing strategist and personalization expert. Write a detailed, 2400-word guide on advanced personalization. The guide must cover: 1) Beyond first name: using behavioral data, 2) Product recommendations based on browsing and purchase history, 3) Location-based personalization, 4) Personalized subject lines and send times, 5) Dynamic content blocks, 6) Lifecycle stage personalization, 7) Triggered emails based on actions, 8) Tools and platforms for personalization, 9) Privacy and data ethics, 10) Testing personalization effectiveness.