There is a nice interview at artificial.dk with Noah Wardrip-Fruin.
I came to this work through a fascination with possibilites of words, and with the sense that undifferentiated flow down a page wasn’t the right medium for the text I wanted to write.
the time of reading and the time of the processes overlap. there’s [...]

At last…

jit.qt.movie’s primary job is open a movie and read each frame one after other into RAM for easy access by other jitter objects.
jit.window gets that data in the RAM and shows it as colored pixels on the screen. (external window)
jit.pwindow does the same thing in the workspace.

mousestate gives mouse coordinates of the screen [...]