ANNOTATION:
Fitness: Millenium Edition

I would just like to add that in defining fitness,
the ability to survive isn't necessarily dependent
on functionality.  To use an example, Microsoft 
software is more likely to survive based on the 
 skills of their marketing and business departments 
and not necessarily on the superiority of the software 
itself.  There may be better functioning systems, 
but the one that survives does so by connecting itself 
to elements outside of that system.  Judging solely 
within the confines of the system, the fittest may not 
survive.