What is the Cloud: A Simple Analogy You use the cloud and don’t even know it. Do you go to Amazon and create a wish list? Do you have an email account on Yahoo? That is cloud computing. All your emails are stored on Yahoo servers somewhere. They are on physical servers, of course, but they aren’t on your laptop. The advantage is that when you spill your coffee onto the laptop keyboard, you haven’t lost all your emails even if you never backed up your hard drive. ( If you haven’t, shame on you, by the way.) Here is a simple analogy to explain how the cloud...