Millions of people leave their work computer on every day, thus wasting lots and lots of energy through the night when no one is there. In this animated infographic, Nigel Upchurch describes what it means when you leave your computer on. As with most of these types of things, the numbers are a bit simplistic. Nevertheless, it's interesting to watch and well-designed. And well, it kind of makes me want to make sure I turn off my computer at night.