Great point. As per the author's thesis, we are in phase 2, and phase 3 is going to be initiated by a startup, and not before another 20 years. But IBM is curr

Great point. As per the author's thesis, we are in phase 2, and phase 3 is going to be initiated by a startup, and not before another 20 years. But IBM is currently doing (and making good progress at) exactly what the author describes as phase 3.