Upon finishing this chapter, you should have a firm grasp of yet another piece of the WebRTC puzzle—data transfer. It is an often overlooked, yet extremely powerful part of the WebRTC specification that can bring new light to web-based applications. In this chapter, we have used the data channel to bring text-based chat to our currently running WebRTC demo.

Now, you can officially say goodbye to our communication application, as this is the last time you will see it while reading this book. It is quite an amazing feat that we built over the course of just a few hundred pages. Not only have we built a multiuser application, but also one with many of the features found in popular communication applications built and used all over the world. This is really the power of not only web applications but also WebRTC.

If you have not done so already, this is yet another great opportunity to put down this book and start experimenting with our example. From here, there are a number of features...