In a tutorial exploring the use of Bit for managing shared types between frontend and backend applications, the author illustrates how aligning data types across different application layers can enhance development efficiency and reduce errors. By creating a shared entity component using Bit, both the frontend and backend can maintain synchronized API contracts, ensuring that developers always know what kind of data to expect. The tutorial walks through setting up a Bit Workspace, creating components, and using Bit's features to manage dependencies and versioning, which allows for seamless updates and integration. The shared entity component not only standardizes types but also offers benefits like mock data for testing, independent release cycles, and improved integration with IDEs, ultimately facilitating a more streamlined and collaborative development process.