If you haven't heard about XMPP before then I suggest that you find out what it is. In short, it's the protocol that Google Talk uses. But XMPP is so much more, and if you want to integrate real-time communication in your application, for example for multi-user collaboration, like Google Wave, then XMPP is a good option. This post is about the newly added XMPP support to the Reimers.dll which will let you get started adding collaboration support to your application.
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