Thanks - not exactly what I was looking for (this is more like anarchist yahoo), but the model of bottom-up (sort of) organisation is very useful.
> From: KPJ[SMTP:firstname.lastname@example.org]
> Reply To: email@example.com
> Sent: Friday, 15 October 1999 22:55
> To: firstname.lastname@example.org
> Somebody asked about where to find relevant information on any specific
> area of interest (physics, chemistry, etc.), and suggested that people
> would list the ``standard'' texts on various subjects for others.
> It appears as if The Open Directory Project <URL:http://dmoz.org/>
> might have some interest for the entity which originated the request:
"Person" will be fine (I'm thick skinned).
> The Open Directory Project's goal is to produce the most
> comprehensive directory of the web, by relying on a vast army of
> volunteer editors.