Callback Chaining

The video tutorial covers the callback chaining pattern in Node.js, focusing on asynchronous operations. It explains how to chain callbacks to perform tasks in a specific order, such as geocoding an address and using the coordinates for a weather forecast. The tutorial also addresses error handling in callbacks and demonstrates how to use command line arguments to make the application more dynamic. Finally, it includes testing and finalizing the application to ensure it functions correctly.

What new insight or understanding did you gain from this video?