Collection views present items in a grid pattern, allowing you to address gaps that table views don't cover. In this course, Mark DiFranco shows how to integrate collection views with your project, handle changes in data, and use a collection view layout. These techniques allow for the creation of a more flexible and diverse user interface for iOS applications. As you progress through the course, you'll see these new concepts in action in the development of a shopping cart app that displays its contents in a grid and animates any changes.

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