Check out the video above it demonstrates what a Horizontal Stabilization Camera System can do. You can see the build details over at Instructables. A camera mounted 8 feet behind the car sure gives you a cool perspective. This rig is being controlled by a huge servo and the actual arm that has the camera mounted to is has a large counterweight on it to balance it out. Not sure if this is what we see recording the chase scenes in our favorite action movies but the effect looks similar to me.