Design Provenance
Direct Manipulation (Shneiderman, 1983)
Visible objects and actions
Rapid, reversible, incremental actions
Dynamic queries
Xerox alto, Apple Lisa, Macintosh & GUIS  & WIMP
interfaces (1979+)
Hypertext (Bush, 1945; Nelson, 1974)
Links are first class objects
Games and visualizations (lunar lander 1960s, Atari Pong,
1972); VR (Engelbart--radar; Sutherland—simulations)
See http://www.designboom.com/eng/education/pong.html for
history of games