> That's a great visualization! The visualization I've always had for
> object space is similar, but inverted: The root object(s) are
> attached to a 'ceiling', the objects they reference are attached to
> them by strings, and changing a reference can cause a clump of
> objects to be unsupported and fall into a bottomless pit, never to be
> seen again.

Ah, sorta like that game http://www.frozen-bubble.org/. What does the GC
do when it sees a cluster of same colored objects? ;)