Great insights into the touch user interface, experience and friendliness. Interesting annotations at minutes:
2:56 touch experience is everywhere
4:00 characteristics of the touch user experience (natural, engaging, human, intuitive, convenient)
5:46 touch interaction (gesture, manipulation, multitouch)
8::42 Flavours of touch
11:02 Design principles for touch interface
12:30 General Touch Rules (Responsive, Consistent, Forgiving)
15:22 typical design problems (controls, gestures, hover)
15:48 tapping design
17:50 know the user (fingernails challenge for touch)
19:30 control location
21:40 Text Controls (text input and selection)
25:30 Direct Access
27:00 Gestures, are not known by users
30:40 Hover issue
32:13 Mobile use