I'd like to bring to your attention a recently published Technical Case Study from Microsoft IT that showcases how Microsoft IT is using FCI.

Learn how Microsoft Information Technology (IT) used File Classification Infrastructure (FCI) to create a solution to automatically classify, manage, and protect sensitive data, including personally identifiable information and financial information. Using the new FCI-based solution, Microsoft IT can obtain file-level details about content sensitivity while reducing misclassification of personally

http://www.microsoft.com/downloads/en/details.aspx?FamilyID=bee97542-c6c6-45b9-88c4-3abfdbb92e38