The General Data Protection Regulation (GDPR) is essential for any marketing strategy that handles customer data. To ensure GDPR compliance, start by obtaining explicit consent from users before collecting their personal data. Implement clear privacy policies that explain how data will be used and stored, and give users the right to access, correct, or delete their information. Be transparent about cookies and tracking mechanisms, ensuring that users can opt-out. Marketers should also ensure that their data storage practices are secure, and that any third parties involved in data processing are compliant as well. Adhering to GDPR not only protects your customers but also builds trust with your audience.