A touch-sensitive electronic display device including one or more touch-sensitive display screens and interface software. The touch-sensitive display screen(s) and interface software are configured to be responsive to touch inputs and, in the case of a multi-screen workspace, the interface software is operable to allow inputs made in connection with a first screen to generate an inertial movement of a displayed object which results in the object moving to and coming to rest on another of the screens. The touch-sensitive screen and interface software may also be configured to receive hand touch inputs and pen touch inputs, with the interface software being operable to dynamically mask regions of the touch-sensitive display to discriminate between or selectively permit/reject different types of inputs.
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