Explore the evolution and future of WASI (WebAssembly System Interface) in this informative conference talk. Discover the transition from Preview1 to Preview2, including new features like WASI sockets, through engaging demonstrations. Understand why WASI differs from traditional POSIX APIs and delve into WASI-Cloud, a set of interface proposals designed to simplify and enhance portability in cloud-native and serverless application development. Witness demonstrations of microservices performing service invocations, event streaming, and state management. Gain valuable insights into the future of WASI and its role in the distributed application landscape, equipping yourself with a comprehensive understanding of this technology's potential impact on cloud computing.