It is not simply touch screen they are mentioning. It is "inking capabilities", stylus based drawing on the screen. The ad is not a good one as for example it

It is not simply touch screen they are mentioning. It is "inking capabilities", stylus based drawing on the screen. The ad is not a good one as for example it was not clear for you. On the other hand people already know basic windows features, this is their intended direction of developing the system: more natural human interface, including handwriting and voice recognition.