You might be the "little drummer boy," worried that what you have to say isn't worthy. Everyone has something to contribute, especially if you remember to be the real you and not a copy of others you feel are successful.
Walt Disney believed in himself instead of worrying what others were saying.
Treat praise like criticism: refuse to accept either.
Raise up the people beside you & quit worshipping those above you.
Social media puts the "public" into PR and the "market" into marketing.
Try to help people rather than focusing on what's in it for me.