I agree. I had once started off to make such an application. A virtual pen-and-paper, whiteboard-and-marker. Also, instead of using mouse pointer, one could dra

I agree. I had once started off to make such an application. A virtual pen-and-paper, whiteboard-and-marker. Also, instead of using mouse pointer, one could draw on the touchpad. There is a subtle difference, but one that could make drawing less awkward. A similar application is awwapp.com