Crisis Management Did McDonald’s do enough to correct a Twitter hoax? The fast-food chain became a Twitter trending topic after a fake discriminatory sign went viral. The company responded with tweets of its own. By Matt WilsonJune 14, 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.