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. <EOS>