GIFs give the illusion of animation, and creative entries include water draining and refilling a mason jar, a cursormoving and clicking on a laptop computer screen, and continuously morphing geometric shapes.
Particularly compared to the touchpad, which falters at single-finger navigation, the pointing stick is impeccably precise when it comes to moving the cursor around screen.
But experiments using EEG have allowed people to do simple things like pressing buttons on a computer screen by moving a cursor and clicking it, and operating the flippers on a pinball machine.