Loading images and caching them into your app is one of the most common tasks for an iOS developer. You can build your own caching library, which isn't too difficult, or you can use one of the widely available ones off the internet. In this video, we will go ahead and install SDWebImage and see how easy it is to load an image with one line of code. SDWebImage also manages the caching of your images so you wont have to refetch data when you scroll up and down your lists.