The Mother Of All Demos, 50 Years On

If you’re like me, chances are pretty good that you’ve been taught that all the elements of the modern computer user interface — programs running in windows, menus, icons, WYSIWYG editing of text documents, and of course, the venerable computer mouse — descended from the hallowed halls of the Xerox Corporation’s Palo Alto Research Center in the early 1970s. And it’s certainly true that PARC developed these technologies and more, including the laser printer and object-oriented programming, all of which would grace first the workplaces of the world and later the homes of everyday people.

But none of these technologies would have existed without first having been conceived of by a man with a singular vision of computing. Douglas Engelbart pictured a future in which computers were tools to sharpen the human intellectual edge needed to solve the world’s problem, and he set out to invent systems to allow that. Reading a Twitter feed or scanning YouTube comments, one can argue with how well Engelbart’s vision worked out, but there’s no arguing with the fact that he invented almost all the trappings of modern human-computer interaction, and bestowed it upon the world in one massive demonstration that became known as “The Mother of All Demos.”

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