Pusher gave a workshop at Laracon.eu this year and has made taken the content and made it free for everyone:
We recently wrote a set of tutorials covering How to Build Real-Time Laravel Apps with Pusher as part of a Workshop for Laracon EU. We’ve now opened up these tutorials for everybody and anybody to work through.The source has been opened up under the Commons Attribution 4.0 International License so you’re free to fork and adapt to suit your needs or even to run your own workshop.
The tutorial content is in-depth and worth checking out. I’ve personally used Pusher on an app and it was a great experience.