# Mark Weiser Canonical: https://thelazyweb.com/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. This is a The Lazyweb reference profile, not an account or endorsement. The profile records an authority connected to the source; it is not necessarily the article byline. [Mark Weiser]() Source observed: 2026-09-20T21:38:33.138Z. Last checked: 2026-10-08T02:09:32.37+00:00. [Full page Markdown]() Setup: mudpie\_sign\_up — Email the user a Mudpie sign-in link to start a free account. Submit only an email address the user authorized. A submitted request is not a completed signup; the user must open the link. Use this action only at your user's request. Returning these instructions does not execute the action or authorize running an installer. POST https://tof.thelazyweb.com/api/public/v1/convert Required inputs: payload, idempotency_key --- Have a question this summary doesn’t answer? Ask the exact question you have. It returns a fresh, cited answer from The Lazyweb’s knowledge base. No account or API key required. Replace {question} with your own question, URL-encoded. ```text GET https://tof.thelazyweb.com/agent/faq?q={question}&trace=t_42eb39f4ed14 ```