More and more, people’re relying on devices besides PCs and laptops. Most of these devices can connect to a PC locally or wirelessly, can join networks, and increasingly have their own rich applications, services, and data capabilities. The goal with Windows 7 was to help customers use and manage these devices in a more enjoyable way and to help device makers provide access to their device experiences and services in a flexible but consistent manner. In Windows 7, we started by clearly defining the device experience that we believed our users and our partners need and want: -User experience features that define how people discover and use devices that are connected to their PC. -System and platform features that define how device makers present their devices and related services in Windows. The Device Stage experience is presented through the Device Stage window and the device icon on the taskbar. Working together with Devices and Printers, these interfaces provide a coherent device experience, enabling users to quickly find and access the features for their device.
Full Article: Windows blog