(MLP stands for "mindless link propagation", stolen from kuro5hin.
I'm going to put this in the subject line for posts where I'm just
passing out URLs that I want you lot to read and consider in the
context of possibilities for the OpenGuides software.)
Another one from Alex (yaxu):
An examination of how different ways of organising categorised content
can improve the usability of a site containing a large quantity of information.