Discover the journey of embracing Erlang type specs in this 19-minute conference talk from Code BEAM Europe 2023. Explore how typing structures and functions beyond Erlang's base types can enhance code comprehension, maintainability, and debugging. Follow Marc Sugiyama's evolution from viewing type specs as an annoyance to appreciating their value in large teams and long-running projects. Learn how type specifications can effectively communicate program functionality, making it easier for developers to understand, modify, and troubleshoot code in Erlang's typeless environment.