Discover how JavaScript and offline applications were utilized to combat the Ebola outbreak in a 25-minute JSConf talk. Explore the challenges of developing technology for areas with limited internet connectivity and real emergencies. Learn about the implementation of CouchDB and PouchDB for offline functionality, and gain insights into the practical problems encountered when deploying these applications in the field. Understand the process of contact tracing, the role of call centers, and how to handle data conflicts and storage limitations. Avoid common beginner mistakes and recognize the importance of expert guidance. Gain valuable knowledge about building robust tech solutions for challenging environments and witness the impact of technology in public health crises.