I'm sure it's not that important if it's empty or private. They want to get a sense of the type of person you are, as they're funding people, not ideas. Anythin

I'm sure it's not that important if it's empty or private. They want to get a sense of the type of person you are, as they're funding people, not ideas. Anything that can help them knowing you better could be important, but I would't worry if you don't use facebook or keep everything private.