The Mother of All Demos A Lecture by Douglas Engelbart en.wikipedia.org A name retroactively applied to a landmark computer demonstration, presented by Douglas Engelbart on December 9, 1968. The 90-minute presentation essentially demonstrated almost all the fundamental elements of modern personal computing: windows, hypertext, graphics, efficient navigation and command input, video conferencing, the computer mouse, word processing, dynamic file linking, revision control, and a collaborative real-time editor Menus, Metaphors and Materials: Milestones of User Interface Design interfacestechnology
The observer effect In biology, when researchers want to observe animals in their natural habitat, it is paramount that they find a way to do so without disturbing those animals. Otherwise, the behavior they see is unlikely to be natural, because most animals (including humans) change their behavior when they are being observed. Farnam Street fs.blog The Spoken and the Unspoken uxethnography