In this chapter, we learned how promises can be implemented in WinRT. We saw how promises evolved in the Windows platform and how it's contributing to different Windows-based devices. We also saw how it helps Windows-based gaming consoles and in the creation of Windows-based apps for Windows Store.

It's the adaptability of promises that has led to it finding its place in all the major leading technologies. Even technology giants such as Microsoft couldn't neglect its existence and are able to give full attention and scope in its present and upcoming technologies.

In the next chapter, we will learn how promises are being implemented in one of the fastest growing server-side JavaScript, the Node.js.