Explore the world of ReasonML and its impact on React development in this GOTO Chicago 2019 conference talk. Discover the original intent behind ReactJS and learn about Reason, a programming language created by React's founder to build robust applications more efficiently. Delve into ReasonML's features, including its functional programming approach, powerful pattern matching, and robust ecosystem. Examine React component structures in Reason, understand the Belt standard library, and see how to leverage hooks and pattern matching. Learn techniques for integrating Reason into existing JavaScript projects, and understand the benefits of compiled Reason code, including improved readability and performance. Gain insights into the future of frontend development and how ReasonML is shaping the landscape of web application creation.