Explore the benefits and challenges of adding type checking to React codebases in this 30-minute talk from React Amsterdam Conference 2017. Learn how to overcome initial frustrations, tackle dynamic code typing, implement runtime type checking, and publish type-checked modules to npm. Discover techniques for handling exact object types, read-only arrays, and read-only properties. Follow along as Forbes Lindesay, a Software Engineer at Facebook, guides you through the process of flow typing a React codebase, providing practical examples and solutions to common problems encountered during static analysis implementation.