Internal Chatter brings multiple functions to a simple internal interface The free micro-blogging tool has recently added some major features. Part eight in Ragan.com’s series on enterprise social networking. By Matt WilsonSept. 19, 2011 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.