In this article (http://arstechnica.com/gadgets/2015/01/usb-3-1-and-type-c-the-only-stuff-at-ces-that-everyone-is-going-to-use/ http://arstechnica.com/gadgets/2

In this article (http://arstechnica.com/gadgets/2015/01/usb-3-1-and-type-c-the-only-stuff-at-ces-that-everyone-is-going-to-use/ http://arstechnica.com/gadgets/2015/01/usb-3-1-and-type-c-th...), they hint at the capability called "Alternate Mode". It can be used to transport any non-USB data.