Every brands had a Facebook, Twitter, Google+ etc... page. But it's not enough. If Lady Gaga tweet only a couple of times a week is not so important, she's still have millions of followers, she's Gaga, you're not!
I want to suggest you to take paper and pen and start to write a successful Social Media Campaign to create your Persona! How? Start with one social network and focus on it.
This is my new post to help small and medium business to know more about how to create a GOOD brand presence on Social Networks.