They should have said that at the beginning of the presentation, not announced before the event and/or somewhere else.
That being said, there was almost no hardware talk today. I know there's some good hardware and engineering in that black slanty box. That's all I've heard hinted about for months, about how impressed we'd be with the hardware, etc. Next to nothing was said about it.
http://www.polygon.com/2013/5/20/4347614/microsoft-reveals-i...