Social Media Communicators reflect on Twitter’s 10th anniversary Twitter helped define the term ‘social media.’ As it turns a decade old, social media managers, marketers and professional wordsmiths discuss how the platform has affected their efforts. By Clare LaneMarch 22, 2016 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.