By studying the history of computer icons, we can further understand current aesthetics and predict styles that will be used in the future. This chapter will examine a collection of important milestones in computer icon history, each example representing an evolution in technology and design. References: Rockstar Icon Designer by Kate McInnes “History, Theory, Tips and Tutorials – An Insight Into The World Of Icon Design” – Pp. 10-34 1973 Xerox Alto The Xerox Alto is the first computer to use a desktop metaphor and graphical user interface (GUI). Developed at the Palo Alto Research Center (PARC) in California, USA.