I've been using a Logitech trackball (where you control the ball with your thumb) for years, since the TrackMan Wheel Optical iteration all the way to the curre

I've been using a Logitech trackball (where you control the ball with your thumb) for years, since the TrackMan Wheel Optical iteration all the way to the current MX Ergo line. My hands are too big for most normal mice; trackballs are just way more comfortable for me.