A Google data center, inside

A video created by Google and designed to provide reassurance to current and prospective users of Google Apps, but which becomes indispensable in this collection of videos that the Systems and Technology teachers use in class to illustrate and elaborate on the management concepts data center, security practices, green IT, etc ... If you want more detail, there is also an interesting white paper about it. And if you want to see other examples and a good look at all the concepts involved, take a look at this fantastic entry and graphics of Jason Holzberg to BoingBoing, " Data center power use Visualized ", or my site entries grouped under the label Green IT , one of the topics I cover in my courses regularly at IE Business School.