upposed to push. It is difficult to tell whether a user has to push or pull or slide the screen, but when the user's finger is held on the bottom right of the frame and is pushing to the left-pointing arrow, the frame will begin to shift and rotate clockwise. When enough force is exerted on the rotation and the user lets go of the frame, the frame will rotate up to its upright position, revealing the 5-row, 46-key QWERTY keyboard that was underneath it. When the frame is secured, a backlight is enabled. Backlights help to see the contents of the screen when one is in a dark place. Another example of good mapping is s
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