Found this article by By Samir Balwani. It is older but relevant.
For many companies a Facebook () fan page is an integral part of their social media campaign. But, what elements help fan pages build up large followings and what can brands do to emulate the success of others? I’ve put together a list of specific elements that I believe have helped create fan pages with large, engaged, followings.
Full article From Mashable: [Read the full Article]