Just an example of what can be done with a simple command on OS X's Terminal, in this case killAll Dock. Enter the command on Terminal but don't press return yet and Shift click an open window. Quickly switch to the Terminal window and press enter. The window will be fully functional!
Short video recorded on an iPhone with Polar Bear Farm's ShowTime
The intention of this video is just to give an idea of the quality one can expect from the camera on iPhone.