1. If the reason it is staying is because people change it often, then it needs to be out of the setting page and into the tool bar as a button. 2. Though I don't ever use it myself since I can zoom and crop after the fact, I appreciate that we are all different. 3. I love the way this is implemented. I wouldn't change it at all. Except, of course, adding new modes 4. In my opinion, if we are changing it frequently along with all of the other settings, the toolbar is the only place for it.