Clear Privacy Policy: Have a detailed privacy policy that explains what data is collected, how it is used, and who it is shared with. Opt-In Mechanisms: Use explicit opt-in mechanisms to ensure that subscribers are aware and consent to the data collection. Regular Updates: Keep your subscribers informed about any changes in data usage policies through regular updates. Accessible Information: Make it easy for subscribers to access information about their data by providing clear links in your emails and on your website.