Now that our app is functioning, it's time to add some logic to actually save and persist the data! Since this is a very beginner course, we will use UserDefaults to save the data in our app. This is the perfect solution for us because it is so easy to use and implement. However, as you'll learn in the next course, it's often better to use Core Data or more sophisticated databases in production apps. Next video: https://www.youtube.com/watch?v=KamCx-Hfdxk Last video: https://www.youtube.com/watch?v=nwpmWu1SP1k