I used to work on pervasive UI for large displays for some time, and when I first saw iPhone, the first reflection was "This is exactly what we are trying to do on a large display!"
Imagine or the iPhone gestures being ported to a 19" LCD screen and you can pinch to zoom in, flicker to scroll. How cool will that be!
And technically, it's quite viable. The hardware is almost there: HP's TouchSmart IQ770 PC uses two cameras on the top corners of the screen to turn a regular LCD screen into touch screen.
If we tweak the software, detecting multi-touch is not that hard.
However, there are rumors that the new Dell tablet Latitude XT is going to support multi-touch. Well, we will know by the time XT is out this coming Tuesday.
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