Citizens in Crises: Behavior, Dependencies, and Technological Support of Digital Self-Organization – Congratulations to *Dr. rer. nat.* Steffen Haesler on His Successful Doctoral Defense

Citizens in Crises: Behavior, Dependencies, and Technological Support of Digital Self-Organization – Congratulations to *Dr. rer. nat.* Steffen Haesler on His Successful Doctoral Defense

In crises, people naturally self-organize by helping in their communities, volunteering, or working with professionals. Technology plays a crucial role in crisis management and volunteering, with tools like social media and specialized software, such as COVID tracing apps, facilitating collaboration.