A computing input device, comprising: a first input device having a dynamically configurable input region and a modifiable display, the first input device located on a surface of the computing input device; a second input device located on the surface of the computing input device next to the first input device, the second input device including one or more rows of physical keys that define one or more rows of a QWERTY keyboard; wherein the first input device replaces one or more additional rows of the QWERTY keyboard the computing input device characterised in that: the modifiable display is a modifiable electrophoretic display and the first input device is configured to: display a first group of dynamically configurable symbols on the modifiable electrophoretic display, a first symbol of the first group of dynamically configurable symbols corresponding to a first input area having a first size; and transition from the first group of dynamically configurable symbols to a second group of dynamically configurable symbols, a second symbol of the second group of dynamically configurable symbols corresponding to a second input area having a second size different from the first size; and display a transition graphic during the transition between displaying the first group of dynamically configurable symbols and the second group of dynamically configurable symbols. a first input device having a dynamically configurable input region and a modifiable display, the first input device located on a surface of the computing input device; a second input device located on the surface of the computing input device next to the first input device, the second input device including one or more rows of physical keys that define one or more rows of a QWERTY keyboard; wherein the first input device replaces one or more additional rows of the QWERTY keyboard the computing input device characterised in that: the modifiable display is a modifiable electrophoretic display and the first input device is configured to: display a first group of dynamically configurable symbols on the modifiable electrophoretic display, a first symbol of the first group of dynamically configurable symbols corresponding to a first input area having a first size; and transition from the first group of dynamically configurable symbols to a second group of dynamically configurable symbols, a second symbol of the second group of dynamically configurable symbols corresponding to a second input area having a second size different from the first size; and display a first group of dynamically configurable symbols on the modifiable electrophoretic display, a first symbol of the first group of dynamically configurable symbols corresponding to a first input area having a first size; and transition from the first group of dynamically configurable symbols to a second group of dynamically configurable symbols, a second symbol of the second group of dynamically configurable symbols corresponding to a second input area having a second size different from the first size; and display a transition graphic during the transition between displaying the first group of dynamically configurable symbols and the second group of dynamically configurable symbols.