You can play a part in making Swift a more expressive language! Ben talks about enhancing the Swift standard library, which is the basic vocabulary for writing programs in Swift.
Have you ever wanted to make a contribution to the Swift project? The Swift standard library is written entirely in Swift, and if you have an idea to improve it, you could pitch an enhancement of your own. Ben takes you though the process of designing an addition to the standard library, and some of the things you need to consider when making an evolution proposal.