In this chapter, we covered some of the major updates to the Foundation Framework. It is always recommended that you stay up to date with the advancements to Objective-C and Apple's core frameworks. With this knowledge, you now have the tools to build more efficient and better-performing applications!
Now that we have a better understanding of the new features found in Foundation, it's time to start building our application. In the next chapter, we will begin building our interface using the new Auto Layout features in iOS 7.