Well we must accept that we are in a new world now where the GUI has become TUI (Touch User Interface) and this got hugely popular by the adevent of the iPhone:

Here is a video of the presentation that eminent interaction designer Dan Saffer gave in the NYC IxDA meet few months back. This presentation is about TUI ie; Touch User Interface¬† and is called “Tap is the New Click”. Pretty interesting presetation. Please watch it sparing some time as it is aprroximately more than an hour.

watch the video here: http://vimeo.com/2761844