Metro IE 11 can play media to the Xbox

I don't know why Microsoft has not said anything about this, but you can now play videos from Metro IE11 to your Xbox. Its not mirroring like airplay, but if you have pictures or video on a web page playing, you can play it to your Xbox. Its a bit rough at the moment, and I have only gotten YouTube to work so far, but this is actually a great feature. I have been hoping for something like this for a while. Check it out and see if there are any other sites that may work or hidden goodies out there.