The book is organized to introduce the role of technology in emergency management and provide a context for addressing specific technologies and their use by agencies in emergency preparedness, mitigation, response, and recovery.  The tools and resources examined in this book have been applied throughout the world as public, by private and non-profit organizations attempting to deal with every changing hazards and disaster impacts.  Case studies are used throughout each chapter to clarify how various modern day technologies are used in dealing with hazards and disasters. The new edition updates and expands on the first edition including a new section on cybersecurity and a new chapter on Social Media and Disaster Preparedness, Response and Recovery.