Identify Your Audience: Understand who your subscribers are, including their demographics, interests, and pain points. Analyze Past Campaigns: Review the performance of previous email campaigns to identify which topics and formats were most effective. Use Keyword Tools: Utilize tools like Google Keyword Planner or SEMrush to find popular search terms related to your industry. Monitor Trends: Keep an eye on industry trends and news to find timely and relevant topics. Survey Your Audience: Directly ask your subscribers what they want to hear about through surveys or polls.