You have discovered that content marketing is the new glamour girl of online marketing. You want to get involved but you have nothing useful to say.
Educate, celebrate and motivate. Use your expertise to educate others, who can benefit from what you know. Celebrate your peers and friends and their successes. Motivate with stories and anecdotes about people overcoming the odds.
Any combination of those three things and you are on your way to developing a content marketing strategy.