I think the video might be exaggerating a bit... Video playback is GPU based, many Adobe filters are also GPU accelerated, and most of the software (Edge, Start menu, World of Tanks) are Universal Apps, which are probably ARM binaries. Regardless, Windows running in ARM, and having the option to...
I saw the store webpage when GTA5 was still available, finally arrive home to buy the bundle, and it's not even in there! I promised no XB1 for me... and no PS4 or Sony products either, last weekend I tried 1E06 times to submit order for the anniversary edition already on my cart.
It's similar to multi-camera security systems, but, one source, then PC splits results to other displays. Ironic, when Nintendo has done a lot of multi-display hardware like the the DS, PlayChoice 10, Punch Out, vs baseball / tennis.
If that patent is invalidated, I can just add the words "web"...