Cloud computing is one of the most difficult concepts to explain to people who spend most of their time working with children, running a school, and monitoring educational processes. Cloud computing is difficult to explain because it is imbued with industry jargon and misleading sales language, and when most people think about it, the concept is odd. After all, if cloud computing is fairly new, and the Internet is not new, then what were people doing before? How were they working? Why did anyone need, or want, to switch from one way of working to another?