Well, we all know about Xerox and their Star system from 1981 with a graphical user interface and a mouse. and you all know what happened next, Jobs and his friends adopted it for their new Macintosh computers at the time, and Microsoft did the same too… and even today we still use computers in the same way as we did back then, proxy devices such as a mouse and a keyboard are still prominent and comfortable for everyday use…

But what was before that? you should read this Beautiful article.
And if you are a geek, well, you should watch “Pirates of Silicon Valley” too!

Source: TheVerge