Acknowledgment and How to CiteList of ContributorsIntroductionPart 1 : Overview of Communication Challenges and Best-Practice Analyses1. Preparing for Effective Communications During Disasters: Lessons from a World Health Organization Quality Improvement Project2. Information Dissemination Analysis of Different Media towards the Application for Disaster Pre-Warning3. The Effectiveness of Disaster Risk Communication: A Systematic Review of Intervention Studies4. Near-Real-Time Analysis of Publicly Communicated Disaster Response InformationPart 2 : The Internet and Social Media5. The Future of Social Media Use During Emergencies in Australia: Insights from the 2014 Australian and New Zealand Disaster and Emergency Management Conference Social Media Workshop6. Resilient Disaster Network Based on Software Defined Cognitive Wireless Network Technology7. Web 2.0 and Internet Social Networking: A New Tool for Disaster Management? Lessons from TaiwanPart 3 : Mobile Phones and Other Technology8. Global Health and Natural Disaster Alerts: Preparing Mobile Phones to Endure the Unthinkable9. What It Takes to Get Passed On: Message Content, Style, and Structure as Predictors of Retransmission in the Boston Marathon Bombing ResponsePart 4 : Understanding the Challenges to Effective Communication10. Leveraging Public Health Nurses for Disaster Risk Communication in Fukushima City: A Qualitative Analysis of Nurses’ Written Records of Parenting Counseling and Peer Discussions