Human device interactions are improved by revealing user interface (UI) elements or functionality on a device in multiple context-dependent stages based on discerning a user's intent. Three dimensional sensors that detect the presence, position, orientation, direction, or rate of travel of a pointer with respect to a device may provide indicia of the user's intent to interact with a UI element on the device. If the user was not actively navigating on the device, then context relevant UI elements or actions that were not previously displayed may be surfaced and displayed elements may be removed. If the user then maintains or narrows their focus on or near a particular UI element that was just revealed, a second or subsequent layer of UI elements or effects may be surfaced. Subsequent deeper layers in a multi-stage shy UI hierarchy may be presented as the user interacts with the surfaced elements.
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