Companies that use..

Companies that use wikis use them to calibrirate and help build their ideas. Like things a product they are wanting to sell. They ue wikis to find information on whatever they need for that, so they know everything most people know.
http://www.businessweek.com/innovate/content/mar2007/id20070326_237620.htm

Companies that use blogs to get the opinions and what real people say about certain things they need to know about to help their buisness. They use the as resources to calibriate just like they use the wikis. They majority use blogs and wikis.
http://www.virid.us/blog/2009/02/how-companies-use-blogs.html