Explore the challenges and solutions of processing massive IoT data streams using Akka.NET in this comprehensive conference talk. Dive into the actor model and its implementation in Akka.NET, learning how it simplifies stateful code development, scaling, and resilience. Discover strategies for handling millions of connected devices, overcoming traditional scaling bottlenecks, and leveraging parallelism. Gain insights into the actor system, hierarchy, and fault tolerance through supervision. Examine practical development ideas, including character actors, connection situations, and threshold management. Understand the importance of data normalization, timestamp correction, and gap filling in IoT stacks. Learn about Akka.Persistence for system recovery and explore deployment considerations. No prior Akka.NET knowledge required.