Explore functional programming concepts and their practical applications in this 51-minute conference talk by Rob Howard. Learn about the fundamentals of functional programming, including immutability and effects as values, and discover how this approach can help manage complexity in codebases. Gain insights into implementing functional programming techniques in various languages, with a focus on JavaScript and other practical examples. Understand the benefits of functional-style code and how it can improve code organization and maintainability. Suitable for developers with basic programming experience, this talk avoids complex theoretical concepts and focuses on real-world applications of functional programming principles.