How it works: Inductive User Interfaces
"An inductive, or task-based, user interface is one that is based on "tasks" rather than applications (as in OS X) or documents (as in Windows 95/Office 95, sort of; Microsoft backed off of this concept pretty quickly as the benefits of a task-oriented UI became more obvious). Here's an example. Let's say you want to print a digital photo." Read the article at WinSuperSite.