1. A method for displaying content to user through a user interface, comprising steps of: displaying on a display device connected to a data processing device on which the user interface is rendered a first plurality of selectable menu items selectable by a user using a remote control device; responsive to the user selecting one of the plurality of menu items, displaying the selected one menu item on a simulated first plane in a three-dimensional graphical space, and displaying the plurality of menu items other than the one selected item on a simulated second plane in the three-dimensional graphical space, wherein the first plane has a more prominent display position than the second plane.