“ …offering a cloud service for each and every Windows 8 customer and all their PCs (and phones), should you choose to use it. In previous posts (Signing in to Windows 8 with a Windows Live ID and Extending "Windows 8" apps to the cloud with SkyDrive) we kicked off talking about cloud services, how you can automatically roam your settings to multiple PCs, and how applications can take advantage of this roaming. In this post, we will show you three cool things that you will get by choosing to sign up and use SkyDrive with Windows 8.”
http://blogs.msdn.com/b/b8/archive/2012/02/20/connecting-your-apps_2c00_-files_2c00_-pcs-and-devices-to-the-cloud-with-skydrive-and-windows-8.aspx