A new communication platform, what Joint.im does is to combine Twitter with IM in order to provide users with a more immediate way of getting in touch with peers.
In general terms, it can be said that Joint.im empowers users to chat live with any person who is part of his Twitter contacts. That is, users of Joint.im are enabled to have real time conversations with any person who is part of their life on Twitter. No need to add the person to a new contact list – the mere fact of being a contact on Twitter will translate into the person being reachable right away.
The only thing that needs to be done for this to work is to install the provided application first. This can be downloaded for free, and installation can be done even with your eyes closed. The second it is over you will be able to launch the Joint interface and chat with these Twitter contacts who happen to be online at the same time you are.
Joint.im In Their Own Words
Joint is an IM platform that uses your existing Twitter network. It takes away all the constraints of Twitter messaging and lets you have engaging, flexible, and realtime conversations.
Why Joint.im It Might Be A Killer
It is a novel service – nobody had thought of connecting Twitter with IM like this ever before.
Some Questions About Joint.im
How is this pulled off from a technical point of view? 
