"First, it’s a good test scenario for fine-tuning the VR. Homer commented at one point that some of the physics is still a little off." I bobbed the ball in my hand a few times. "Second, and more importantly, I think we have to do more than just sit in libraries and parks and command decks if we want to really retain our feeling of being human. I don’t want to be reduced to some Doctor Evil cliché." I tossed the ball. "This isn’t exercise in the physical sense, but it does remind our brains what it’s like to do things."