After a year when Microsoft made available the download for Windows Live Messenger Wave 3 9.0 (2009), Microsoft had already started the development of Wave 4 built. Even though Microsoft has shared information regarding to it very insufficiently, almost nothing, leaked screenshots have appeared on the net already. The next iteration of Windows Live Messenger, an instant messenger client, which is planned to release in upcoming year 2010, Microsoft named it Wave 4.
See the entire post and screenshots
See the entire post and screenshots