Introduction Today, almost everybody in the developed world interacts with personal computers in some form or another. We use them at home and at work, for entertainment, information, and as tools to leverage our knowledge and intelligence. It is pretty much assumed whenever anyone sits down to use a personal computer that it will operate with a graphical user interface. We expect to interact with
![A History of the GUI](https://cdn-ak-scissors.b.st-hatena.com/image/square/0cf1f8a6182ec0ee725f6f13667cb84b966f3258/height=288;version=1;width=512/http%3A%2F%2Fcdn.arstechnica.net%2Fwp-content%2Fthemes%2Fars%2Fassets%2Fstatic%2Fars-logo-open-grey.png)