To keep pop campaigns within GDPR rules, you need to be clear about what user data is being collected and make sure users give permission when needed. If you're showing ads to people in the EU, it's important to work with networks that follow GDPR standards. You may also need to include a consent message before collecting cookies or user data. Some tools help with managing consent pop-ups. It's also smart to avoid storing personal info unless it's really needed. Staying clear with your setup can help avoid legal issues. How are others handling GDPR when using pop traffic?