Touch Screens
Another hot new camera trend: touch screens on the back, complete with controls that you can operate with either a finger or a stylus. The advantage here is that the camera itself needs fewer physical buttons, because its functions appear as needed right on the screen. As a result, the screen can be bigger even as the camera gets smaller.
There are other perks, too. On some cameras, you can tell the camera what to focus on just by tapping its image on the screen; the camera stays focused on it (and correctly exposed for it) even if that object moves. You can also zoom and pan by dragging your finger, or even draw mustaches on your subjects. On the other hand, touch screens can be a little fussy.
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