Microsoft announced today on their SkyDrive blog site that Live Mesh will be officially retired on February 13, 2013.
http://blogs.windows.com/skydrive/b/skydrive/archive/2012/12/13/update-on-windows-live-mesh.aspx
SkyDrive continues to be enhanced with apps for Windows, Windows Phone, Android, iPhone, iPad and Xbox 360, and is deeply integrated with Windows 8, Windows Phone 8 and Windows RT.