Changing from one thing to another like bipolar people have to experience, is quite similar to morphing and in life you can morph from being a sweet child to a drug addict in no time.
In art the consequences are less dramatic and the technic may prove useful if you want to show how something has been put together, image by image.
The motion picture industry uses morphing for it's special effects for a long time and today the technic is at hand for everybody.
It all started about 1900 with the animated film made by Emile Cohl "Fantasmagorie" and never stopped since.
This can also be a nice way to show a portefolio ou your work on the net without tempting the viewer to stop his search.
