CNET News - Why Microsoft had the best tech keynote of 2015

With lots of new hardware and another demo of HoloLens, Microsoft's Windows 10 devices event blew us away. Subscribe to CNET: http://bit.ly/17qqqCs Watch more CNET videos: http://www.cnet.com/video Follow CNET on Twitter: http://twitter.com/CNET Follow CNET on Facebook: http://www.facebook.com/cnet