How to understand signalR concepts

Question

How to understand how signalR works and its details? There is not much technical documentation out there.

Answer 1

There is an episode on channel9 on it worth watching

http://channel9.msdn.com/Shows/Web+Camps+TV/Damian-Edwards-and-David-Fowler-Demonstrate-SignalR

Answer 2

I haven't watched the channel9 video yet. But these are some old but good resources on what signalR can do and how to do it.

Scott Hanselman Blog

HanselMinutes podcast

The best example app I have seen yet