So does Nvidia already have this in their drivers? Otherwise I'd give it about a week before they do.
Wasn't the eject Nvidia GPU of your choice thing in the taskbar about that thing? Because they implemented that a few weeks ago for the external cards? Not sure but I think that was it
not exactly, this was only meant for microsoft surface tablets.
(still its not revolutionary, i mean the technology was there for quite a while now... all they did was small trick by changing default render device.