This project has no association with Microsoft. The project was originally intended for the Microsoft Next Gen Computer competition in 2008. Hence I also looked at the project from a branding perspective and how a product like this might become Microsoft's key arm along with Surface etc.

Location-based operating system

Multiple widget desktops designed around a location or activity ie Kitchen, Office, Car

Automatically switches between desktops with GPS and wi-fi mapping

Designed for Stream adaptive computer system: http://www.behance.net/Gallery/Stream/191676

Note: This interface was designed before iPhone 3.0, Palm Pre, Android etc, making the ideas original at the time :)