Crisis Communications This infographic might save your life Seriously. It’s all about social media and emergency response. For instance, the infographic says there are more than 1.2 million emergency agencies on Twitter. Now you know what to do if you’re alone and choking? Send a tweet. By Susan Young@sueyoungmediaFeb. 15, 2011 SHARE You can see a larger version of the infographic here. 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.