The famous MSN changed its name to WLM and now is on your iPhone too.
The popular IM Client is the perfect way to communicate with your friends wherever you are. You'll only have to run it and chat with anyone. Exactly as if you were using the computer, but on the go.
Its interface is very clean and gives easy access to chat sessions and friend profiles. In short, if you don't want to stop chatting, Window Live Messenger app will accompany you.