Application Development with Swift 2 (Video 22)

This video tutorial demonstrates how to use NSUserDefaults in iOS to persist small amounts of data. It covers setting up a dream instance, saving data using NSUserDefaults, and retrieving and displaying the data in a table view. The tutorial also includes testing the implementation and concludes with a summary of the navigation and data passing between view controllers.

How does the navigation flow work in this project?

What is the significance of the 'viewWillAppear' method in the context of this project?

Explain how to create a new dream instance from the retrieved data.