The 'Jello' effect from the rolling-shutter of CMOS sensors is a well known phenomenon, but clearly can have pleasing and interesting results.


From description by Steve Talkowski on vimeo:
"I wanted to shoot out the window on a recent flight and all I had available was my iPhone 3GS. The scanning order of the sensor combined with the refraction from the window caused this pretty cool phenomenon. I then discovered that rotating the camera would warp the blades in different directions.

Here's a still frame shot from another video (excellent image in my opinion)