Informationweek seems to support open, collaborative information exchange by telling executives all around the world, how great Wikis are:
Wikis At Work @ informationweek.com
What makes this article especially interesting is the fact, that TikiWiki is the only mentioned Open Source wiki there and our Marc LaPorte provided some catchy phrases to this article in an interview. My favourite:
"Once people start using the wiki, they become part of the system it creates..."
Links to the pages 2-4 of the article(for caching purposes):
Page 2 - Page 3 - Page 4