KNOWLEDGE 2.0 - Update

"Knowledge" as in "knowledge sharing" and "knowledge management". More aspects of the same in categories like COLLABORATION 2.0.

7tipson - Browse & share tips
Annotea - Create & share metadata
Answers - Best answers to your questions
Askeet - Ask & answer it
Asktheworld - Q&A
Askville - Q&A by Amazon
Askvox - Write a question & hear the answer
Blinkbits - Share knowledge
Brainjams - Share knowledge & collaborate on ideas
Brainreactions - Participate in brainstorms & share ideas
Circleup - Ask questions, get consoldiated group's answer
Complore - Collaborate on research
Cooperationcommons - Knowledge base re cooperation & collective action
Coursecafe - Share online research
Duno - Q&A
Funadvice - Q&A
Gibeo - Share web annotations & content
Goodnotes - Bookmark, leave notes at & categorize web pages
Googlecoop - Share knowledge on line
Grokker - Enterprise search & knowledge management
Growl - Semantic knowledge management
Grupthink - Explore & share topics & opinions
Guruza - Ask, or answer questions & get paid
Hanzoweb - Bookmark, tag & share knowledge online
Helenos - Semantic knowledge discovery
Heliumknowledge - Buy, sell & trade knowledge
Hitchhikr* - Share knowledge & experiences on conferences
Hivelive - Post & share information
Hubpages - Share your genius
Ibridge - Aggregates early stage research & technologies
Illumio - Q&A
Instantnotes - Bookmark & leave notes at web pages
Intute - Validate & share academic information
Jots - Information sharing
Kaboodle - Information sharing
Knowbrainers - Q&A
Kweschun - Q&A
Lookupahookup - Create or join an expert or experience group
Manyworlds - Explore business info reviewed & ranked by experts
Markthisdate~ - Publish & share events
Mousebrains - Thought starter for advertising creatives
Mozesmob - Mobile Q&A
Networkltd - Share research
Numinalmeme - Share & vote for ideas
Organizedwisdom - Publish & share your wisdom on health matters
Oyogi - Share Q&A
Postgenomic* - Share & rank life science knowledge
Qnalive - Microsoft's Q&A
Questionize - Q&A
Questionville - Q&A
Quomon - Q&A for IT issues
Rallypoint - Share knowledge
Riffs - Recommend, chat & share
Rootvaults* - Store, manage & share knowledge online
Sayoutloud - Post questions & issues, get answers or reactions
Shareyouropml - Share outlines, feed & taxonomy
Skillsfeed - Share knowledge
Sparkhive - Store & share thoughts, research, bookmarks
Spillr - Q&A
Squidoo - Share knowledge
Systemone - Enterprise knowledge sharing & management
Thebeststuffintheworld - Submit, rank & share the best whatever
Theinjuries - Share knowledge & experiences about industrial injuries
Tracbac - Share, comment, revise & collaborate
Tutocle - Find, submit & share tutorials
Twocrowds - Share your predictions & have them assessed
Videojug - Share know-how thru video
Visuarios - Publish & share how-to videos
Vitamint - Explore & share tips, and get paid
Wechangetheworld - Submit, share & search ideas for a better world
Wehow - Profile & share your expertise
Wisdomdb - Rate & share solutions to problems
Wondir - Share Q&A
Work - Publish & share articles on SME business
Yahooanswers - Share Q&A
Youtorials - Collaborate on tutorials
Zogix - Innovators' community


Italic = new. Update 061224, 070119, 070303.