Internal Inside a Chicago hospital’s evolving social media policy Advocate allows its staff to tweet and use Facebook, and it crowd-sources ideas for its communications team. By Russell Working@byworkingJune 23, 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.