Features Flags is a .net implementation of the feature flags technique (also known as Feature Toggle)
Feature Flags helps developers to implement Feature Flags in .net projects.
Features Flags enables dynamic activation of feature in an application, this concept has been described by flickr in this blog post :
and also by Martin Fowler here
Feature Flags are very useful to enable real continous integration.
This implementation stores features state inside a SQL Server Database and enables dynamic activation from a WPF UI and from .net code.