Is nation branding an effective way of advancing a country´s foreign policy options?

Is nation branding an effective way of advancing a country´s foreign policy options?2. How can Public Diplomacy enhance cybersecurity and stability in cyberspace?3. What are the most effective non-digital tools available to carry out Public Diplomacy campaigns?4. Do digital technologies increase the extent to which Public Diplomacy can interfere in the internal affairs of other states? Where are the red lines that public diplomats should not cross?5. Can non-state actors launch public diplomacy campaigns? How could these be distinguished from non-diplomatic campaigns?