Smartphones have such a specific shake to them when filming, you can always easily tell a footage was filmed by a smartphone when it's shaking all over the place. Not even cheap P&S cameras have a shake like that. Here's an example, a very nice video, ruined by shaking. http://www.youtube.com/watch?v=o1AgfbJUk9A I wish Apple and other manufacturers concentrated on video stabilization. Who needs a 4K video quality when it's terribly filmed?