Who is Ted Nelson?

The person who named "hypertext", text linked to other text. He devoted his life to "Project Xanadu", an ideal information network, and kept warning of the flaws in the design of the World Wide Web. The book *Plurality* traces his path in chapter 3-3.

Click blue text on a web page and you jump to another page. The idea of "text joined by links" was named by this person. Yet he himself was not satisfied with how the web is built today. The book Plurality sees, in his dissatisfaction, what the internet left out.

In short

Ted Nelson is the person who named "hypertext": text linked to other text so that readers can choose their own path through it [1]. From his early 20s he devoted his life to "Project Xanadu", an effort to build an ideal information network [1].

Chapter 3-3 of the book Plurality, "The Lost Dao", portrays Nelson as someone who kept warning of the flaws in the design of the World Wide Web (WWW) [1].

Connection to Plurality

One of the internet's three levels. According to the book, at the core of the development of the internet was replacing centralized, linear and atomized structures with ⿻ (Plurality) relationships and governance. This happened at three levels: packet switching in place of central switchboards, hypertext in place of linear text, and open standard-setting in place of decisions handed down by governments or companies. The three converged in the early 1990s as the WWW, the book writes [1]. Nelson opened up the second of these levels.

A network idea born from art. Alongside the path to network thinking motivated by technical resilience, the book presents another path, motivated by creative expression. Nelson "trained as a sociologist, was inspired in his work by a visit to campus he hosted in 1959 by cybernetic pioneer Margaret Mead's vision of democratic and pluralistic media and developed into an artist" [1].

Project Xanadu "had so many components that Nelson considered indispensable that it was not released fully until the 2010s". Still, "its core idea, co-developed with Engelbart, was 'hypertext' as Nelson labeled it" [1].

A "pluralism" of reading paths. According to the book, "Nelson imagined hypertext as a way to liberate communication from the tyranny of a linear interpretation imposed by an original author, empowering a 'pluralism' (as he labeled it) of paths through material through a network of (bidirectional) links connecting material in a variety of sequences" [1].

This "choose your own adventure" quality showed up in 1980s products such as computer games based on HyperCard, and became apparent to the broader world when Tim Berners-Lee made it central to the WWW [1].

Contrast with Engelbart. Nelson and Douglas Engelbart were lifelong friends who shared similar visions, but took very different paths to realizing them. According to the book, Engelbart was a pragmatist and a smooth political operator, and was recognized as the pioneer of personal computing, while "Nelson was an artistic purist whose relentless pursuit over decades of Xanadu embodying all of his seventeen enumerated principles buried his career" [1].

Warnings about the WWW. In the euphoria around the turn of the millennium, few people paid attention to "the long-forgotten Ted Nelson". Yet, the book writes, "Nelson ceaselessly warned of the insecurity, exploitative structure and inhumane features of the emerging WWW design" [1]:

Without secure identity systems (Xanadu Principles 1 and 3), a mixture of anarchy and land-grabs by nation states and corporate actors would be inevitable.
Without embedded protocols for commerce (Principles 9 and 15), online work would become devalued or the financial system controlled by monopolies.
Without better structures for secure information sharing and control (Principles 8 and 16), both surveillance and information siloing would be pervasive.

The book goes on: "While Nelson was something of an oddball, his concerns were surprisingly broadly shared" among mainstream pioneers such as J. C. R. Licklider. The basic features the two saw as essential were never integrated into the internet [1]. → Identity and personhood, commerce and trust

A critique carried on by Jaron Lanier. According to the book, Jaron Lanier sounded the alarm in his books You Are Not a Gadget and Who Owns the Future?, highlighting Nelson's concerns. At first these appeared simply an amplification of Nelson's fringe ideas, but a series of world events eventually brought much of the world around to seeing the limitations of the internet economy and society, helping ignite the backlash against Big Tech (the Techlash) [1]. Lanier championed Nelson's critique of the lack of base layer protocols supporting payments, secure data sharing and provenance (tracing where data came from), and this fed, after Bitcoin, into the movements of web3, the book writes [1]. → Data dignity

Still at it. The book writes that Nelson and many other pioneers of Project Xanadu "continue to carry their complaints about and reforms to the internet forward to this day", and includes a photograph of Nelson taken at Keio University in Japan in 1999 [1][2].

In the chapter on creative collaboration too. Chapter 5-3 writes that "early ⿻ technologies that became part of the fabric of the internet, imagined by people like Ted Nelson", have already transformed the possibilities of collaborative creative practice and sharing [3]. → Creative collaboration

Main ideas

This section is based not on Nelson's own writings, but on how the book Plurality and people around it explain him.

Hypertext: linking material with bidirectional links, opening up a plurality of reading paths [1].
Project Xanadu and its seventeen principles: building secure identity, commerce, and secure sharing and control of information into the foundation of the network [1].
A network that keeps provenance: in Lanier's reading, Nelson's proposal was one that kept track of where information came from [4].

What those around him have said

Jaron Lanier (2011). In a talk on Edge, Lanier named Nelson as the representative of a "third way", which had also been the original idea of the internet, and introduced him as an eccentric figure who, as early as 1960, first proposed something like the web. A way of doing things along Nelson's lines, in which people buy and sell one another's information and can make a living from what they do with their hearts and minds, could bring back the middle class, Lanier said [5].
Jaron Lanier (2023). In "There Is No A.I." in The New Yorker, Lanier wrote that the first proposals for digital networks, by Vannevar Bush in 1945 and by Nelson in 1960, preserved the provenance of information, and argued that AI is now revealing the cost of having ignored this [4].
"Community by Design" (2025). A paper by Weyl, Tang and others cites Nelson's work of 1998–1999 as earlier research that envisioned a sustainable digital future [6].
Marc Andreessen (2021). Arguing that the tech industry should return to its founding ideals, Marc Andreessen named Engelbart and Nelson in the 1950s and 1960s alongside the ideas of the 1990s [7].
Ken Suzuki (2025). In slides for the Plurality Tokyo Namerakaigi, Ken Suzuki lists Licklider, Nelson, Bush and Alan Kay as "technology thinkers" [8].

Sources

Plurality, 3-3 "The Lost Dao" — https://www.plurality.net/v/chapters/3-3/eng/ ［CC0］
Figure 3-3-C, "Ted Nelson at Keio University, Japan, 1999" (Wikimedia Commons, CC BY-SA 4.0) — https://commons.wikimedia.org/wiki/File:Ted-nelson-1999.jpg
Plurality, 5-3 "Creative Collaborations" — https://www.plurality.net/v/chapters/5-3/eng/ ［CC0］
Jaron Lanier, "There Is No A.I." (The New Yorker, 2023-04-20) — https://www.newyorker.com/science/annals-of-artificial-intelligence/there-is-no-ai
Jaron Lanier, "The Local-Global Flip, or, "The Lanier Effect"" (Edge, 2011-08-29) — https://www.edge.org/conversation/jaron_lanier-the-local-global-flip-or-the-lanier-effect
E. Glen Weyl et al., "Community by Design" (2025) — https://arxiv.org/abs/2502.10834
Noah Smith, "Interview: Marc Andreessen, VC and tech pioneer" (Noahpinion, 2021-06-22) — https://www.noahpinion.blog/p/interview-marc-andreessen-vc-and
Ken Suzuki, "Pluralityとなめらかな社会" (Plurality and the Nameraka Society) (slides for the Plurality Tokyo Namerakaigi, 2025-02-25, in Japanese) — https://docs.google.com/presentation/d/1Snsu2eQJ_vAWgmk3_9eyJnBQ9l8wfpgKfKufkIAkDH4/

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