Whenever I'm flying on the B787, I prefer to sit right behind the wing to watch the flaperons do their thing. I know it's a little different than this, as it's more of a PID driven behavior rather than an active predictive system. But regardless, it's quite impressive to watch how they are constantly reacting despite the plane seemingly not moving at all. They move very delicate and precise, which must be difficult to do when travelling at 500mph.