The document provides a history of personal computing and interaction design from the late 19th century to the 1990s. It traces the evolution from punched cards and switches in the 1880s to personal computers in the 1970s with the Altair 8800. The development of the graphical user interface is covered, from Ivan Sutherland's Sketchpad system in 1963, Douglas Engelbart's work including the mouse in the 1960s, and the influential research at Xerox PARC in the 1970s which led to early desktop computers like the Xerox Star and commercial products from Apple and Microsoft. The eras of personal, mobile, and internet computing are summarized, covering milestones like the Dynabook concept, early