If people find this compelling, they may also like this earlier work from the same group:

http://people.csail.mit.edu/celiu/motionmag/motionmag.html

This other algorithm amplifies only motion, and the algorithm is less elegantly simple, however its results are very interesting and fun to watch as well. Make sure to watch the video at the bottom of the page

http://people.csail.mit.edu/celiu/motionmag/VIDEO_siggraph_2...