Welcome to the cloud, where you don't have the option of running old versions to tide through the transition and in which anything you don't control can be pull

Welcome to the cloud, where you don't have the option of running old versions to tide through the transition and in which anything you don't control can be pulled from under your feet with little or no notice. That's the thought that goes through my mind when I hear the "Yay, cloud!" line from the following MS ad: http://www.youtube.com/watch?v=1h8f5AOCNcs http://www.youtube.com/watch?v=1h8f5AOCNcs