The collaborative sharing of resources on demand based on proximity, within a group or network of computers. Broadly contemplated herein the “tiling” of a collection of logically adjacent individual graphical desktops in a virtual desktop. In such a setting, the action of dragging a window or icon off of one desktop and onto another would effectively transfer user interactability, and/or perceived ownership of the object, to the desktop where the window or icon graphically “lands”.