Patent attributes
A keyboard has a first row of keys, a second row of keys, and a third row of keys. Each key in the first row of keys has a first three-dimensional volumetric shape having a first height, a visible top face, and at least one visible side face; each key in the second row of keys has a second three-dimensional volumetric shape having a second height that is greater than the first height, a visible top face, and at least one visible side face; and each key in the third row of keys has a third three-dimensional volumetric shape having a third height that is greater than the second height, a visible top face, and at least one visible side face. The keyboard is electrically connected to a computing device for delivering user inputs from the keyboard to the computing device.