As Lotus 123 and Wordstar were the Killer Apps that launched the PC-Era, my opinion is that the two-finger gesture which controls the zoom level (by moving fingers apart and together on a touch screen) is the most important in enabling the smartphone (and, of course, the current generation of tablets).
Now the iPad has taken over much of the functionality of computers, and the Surface (MSFTs has come a long way since the Tablet PCs of 2000.) is trying to replace the laptop.
But [from an iPhone] have you ever tried to highlight a phrase for deletion or for movement to another part of an email?
Have you ever tried to highlight a section of text/pictures from a website and insert it into a mobile Word document?
Or just highlight sections of an email that you are replying to (so that you can delete some of your email trail)?
iOS 3.0 introduced some very awkward copy-paste functionality -- something with boxes, moveable blue dots, magnifying bubbles, etc. Well, I think this function is worthy of a gesture:
-- How about pushing down one of the buttons while "stroking" the area from begin to end of the text/area (as with a mouse -- while pressing down the left-click button).
-- But since iPhone only has one-button, perhaps we can place one finger on a portion of the screen while gersturing with another (or place two fingers down and gesture with a third -- so as not to confuse with the "Zoom gesture").
-- Actually, there has to be a way to put the single iPhone button into a different mode -- e.g., press the button while holding down 4-fingers on the screen to turn it into a "right click" . . . to enable a new set of gestures (like this "Highlight Gesture").
Hope this is not covered by some patent that is preventing our collective use of this.
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