Windows Live Messenger 4 Preview available via website.

Recenlty we were listening to the news of a new wave of Windows Live 4 and now Microsoft is working on it and we can have a preview of it from its preview website.
WindowsLivePreview is the one where we can see the features and news regarding the new wave of Windows Live. This website previews Windows Live Messenger Wave 4 having lots of improvements and new additions. This refreshing  new Messenger seems much promising with new features making the messenger easier to stay in touch with the people from different social networks and share.
We can see a sneak previewof the Hotmail preview here: