The main use of pinching is to zoom in and out of the text or image, in order to make the text or image larger or smaller - helpful to everyone who has some vision, not just partially sighted folk like me. This post on iPhone accessibility mentions that pinching is also helpful in copy-paste situations, but I've never used pinching that way myself, so I'm not really clear on how it works.
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Date: 2010-10-03 10:50 pm (UTC)