A reader adds some context:
We’re never going to see widespread adoption of the original total Xanadu design but I’d encourage everyone interested in the web, software, hypertext, whatever, to read Literary Machines and Computer Lib while also appreciating its 1970s context and the iconoclastic personality of Ted Nelson. Also of course, clear contrast with the Worse Is Better rule.
Versions of Xanadu prototypes (based on original development from the 70s and 80s) were in fact released at some point:
Another page that explains the OpenXanadu web demos you linked to:
The Guardian article timing is weird because that OpenXanadu web demo was released and announced several years ago I think.
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