The Locus OS is a conceptual interface which features multiple desktops with each having a theme based on the user’s location/activity (e.g. kitchen, office, car). The OS uses GPS and wi-fi to automatically switch desktops, providing the user with the appropriate screen without having to manually configure the OS. Locus essentially allows the tablet it is installed in to adapt to the user rather than having a singular interface for multiple needs/purposes.

Source: http://www.behance.net/gallery/Locus-Location-Based-Interface/415461