1. Social Sharing Buttons: Adding social sharing buttons to your emails enables subscribers to share your content with their networks, broadening your reach. 2. Exclusive Offers: Promote exclusive offers or content available only to your email subscribers on your social media channels. 3. Teasers and Previews: Use social media to tease upcoming newsletters or provide previews of exclusive email content to encourage sign-ups. 4. User-Generated Content: Feature user-generated content from your social media channels in your emails to create a sense of community and increase engagement.