BlockHead

Social bookmarking - Wikipedia, the free encyclopedia
se også artiklen om metadata: Folksonomies - Cooperative Classification and Communication Through Shared Metadata samt
Delicious (social bookmarks manager)
Flickr (photo management and sharing web application)

Og debatten om Metadata, der udvikler sig i Blogospheren:
Flickr and "folksonomies"
Mob indexing? Folk categorization? Social tagging?

Mere om Wikipedia på Many 2 Many, January 04, 2005:
Reagle on the Wikipedia (posted by Clay Shirky) og Academia and Wikipedia (posted by danah boyd) og January 05, 2005 samme sted.