The main control surface is wide enough, in fact, that we could comfortably put three fingers on the top of themouse, using the middle to controlthemouse wheel and DPI sensitivity adjustment rocker (a nice touch in and of itself) without ever moving our index and ring finger from the all-important trigger buttons.
Leap Motion impressed attendees by enabling people to throw away themouse and control computers with natural hand gestures, allowing users to literally mold their ideas on the screen.
Even the simple act of replacing batteries in the TV remote control or mouse on the computer, or changing a light bulb can be impossible and incredibly frustrating for them.