Facebook diplomacy is a way for people from different countries to interact and become friends, even though they are from different places. It's a way for people to learn about each other's cultures and to make friends around the world. People on Facebook can chat with each other, share pictures and stories about their lives, and even help each other out if they have a problem. It's an easy way to stay in touch with people you don't see every day, and build relationships with people all over the world.