The idea of adding a keyboard to a tablet may be silly, since tablets were optimized to be touched. Yet, when it comes to working on documents, video editing, or gaming, a virtual keyboard is definitely incomparable to an actual, keyboard of pantograph type. An important point that makes tablet with a touchpad keyboard more productive, is the ultra-portability, and the fact that you still get to use all the functions that a tablet has, and disable the touchpad keyboard instantly when you need it as a tablet.