zlacker

Which later became a real-life DARPA Challenge (solved).

http://archive.darpa.mil/shredderchallenge/

And, come to think of it, a variation was in the novel Rainbows End by Vernor Vinge.

>>waterl+(OP)
There's an excellent chapter about it in http://www.glassner.com/portfolio/morphs-mallards-and-montag...