Via BillSeitz:KnowledgeWeb

Basically a kind of World-wide IntelligentTutoringSystem.

DannyHillis and his critics : http://www.edge.org/3rdculture/hillis04/hillis04index.html

Nice table from the Hillis piece

The Web News Groups Text Books Journals
Peer-to-Peer publishing Yes Yes No Limited
Supports linking Yes Limited No Limited
Ability to add annotations No Yes No No
Vetting and certification No Limited Yes Yes
Supports payment model No No Yes Yes
Supports guided learning Limited No Yes No

Would a fine-grained market be better? Post individual questions and get answers from around the world?