This new technique allows for changing of aspect ratios without cropping or other standard methods.
A must-see for graphic designers, graphic artists, and graphic tinkerers.
Very interesting, and the video demonstrating how its done is really cool. Hard to explain without watching the 4-minute vid:
http://www.youtube.com/watch?v=vIFCV2spKtg .
This could be very useful for photochopping.