Social Media The stories that work best on Facebook Recent research from NPR found that nine types of stories posted by local stations spurred engagement on Facebook. Can the same strategy work for brands? By Matt WilsonNov. 29, 2012 SHARE To read the full story, log in. Become a Ragan Insider member to read this article and all other archived content. Sign up today Already a member? Log in here. Learn more about Ragan Insider.