Social Media What does Twitter’s IPO mean for communicators? Changes are already happening as the 140-character powerhouse goes public Thursday. But how far will Twitter take things, and how will faithful tweeters respond? By Russell Working@byworkingNov. 7, 2013 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.