I'm curious to see how designers have addressed this problem on a touch-screen device given the size and technical constraints of mobile.
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Facebook has this. When you use an image for your profile you use the "pinch" gesture to crop. I have seen others do a box that has one edge draggle (to expand the box larger) then you move the box (tap and drag the center) over the area. I actually like the second option myself. | |||
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