Using clouds is a radical way of consuming IT. There are emotional barriers to giving up some level of control over the servers that you are running [for the companies].
Werner VogelsIf you set yourself a goal for energy usage in your house, if you have to look at a graph on your phone, you probably won't change your behavior. But if you have a clock on the wall that changes color from green to red if you're using more energy than you've planned, then that actually can change your behavior. There are a lot of things to be done in that world that actually have an impact on our daily lives.
Werner Vogels