Thx for republishing this Harold. It reinforced for me the need for effectve collaborative knowledge spaces. You will remember no doubt the event you came to some 3 years ago which I did an update on last month. A few months back I ran a survey on this which I've been writing up thru workshops and masterclasses - here's a snapshot: http://www.knowledgeetal.com/?p=2344 Space is underrated as a tool IMHO. Keep the ideas flowing. Paul