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by avaer 3269 days ago
As far as UI goes I can see it being a keyboard to your mouse. Some UIs like menus are actually easier to design and interact with in a 3DOF plane.

But as far as hardware goes 3DOF is just a stepping stone; we only use it because it's easier to make. Once good, efficient 6DOF is available we can pull 3DOF out of it whenever we need to.