In the scene after Morpheus and Neo have been fighting, Chapter 16 (and about 1 min) it is the scene where they enter the 'Jump program'. After Morpheus says free your mind jumps, Neo walks back, says "Free your mind", then starts to run. When he is running, pause it. It looks like he is inside a blobby-shape the shape of his body; where his body has been 'superimposed' on the background.