The interview on C-span. Some interesting points that I can very much relate to based on my experiences with http://www.wsuswiki.com and http://www.mswiki.com Contributors to Wikipedia: 3000 authors that contribute more that 100 edits a month...

A good move by amazon . They have created a wiki page for each of the items in their catalog. Research has shown that anything mentioned by independent sources about an item will increase customer confidence in that item. Even if the comment is negative...