# Mark Weiser

Canonical: https://mudpie.ai/authors/mark-weiser/
Updated: 2026-09-20

Mark Weiser was chief scientist at Xerox PARC and originated the ubiquitous-computing frame. His work explains why the best assistant may recede into ordinary life instead of demanding another screen.

Source: https://graphics.stanford.edu/courses/cs428-03-spring/Papers/readings/General/Weiser_SciAm91.htm

Biography and source archive come from Weiser's public archive; portrait is the linked Wikimedia Commons file. Checked September 19, 2026.

## Referenced in 101

- [The Computer for the 21st Century](https://graphics.stanford.edu/courses/cs428-03-spring/Papers/readings/General/Weiser_SciAm91.htm) — The most profound technologies disappear into ordinary activity; an assistant succeeds when it reduces attention demands instead of becoming another destination.

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