This article discusses the benefits of using TypeScript with Apollo Client, a popular GraphQL client library for React applications. The author shares their personal experience and insights on how they transitioned from Flow to TypeScript, highlighting its advantages in terms of active development, editor integration, and strong tooling. They also provide a step-by-step guide on how to get started with using TypeScript and Apollo Client together, including manually writing types for response data, utilizing polymorphic types for wrapped components, and shaping props with the `props` function. The author emphasizes the importance of type checking in preventing potential production bugs and improving code maintainability.