Anyone else notice that when using the IPAD to navigate, using random fingers to manipulate the screen and, more interesting, the particular digit (s) or hand (s) used to achieve a particular operation (zoom, bread, displacement) at a time are totally different from those used to do the same for the second time? I wondered if this freedom (as opposed to restrictions on the use of a trackball mouse button on a mouse pad fixed size in a fixed position on a desk, fixtures click user interface, such as scroll bars in a fixed display) possibly will actually reduce the risk of RSI?
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