Functional Specifications Subvert the Hierarchy of Nature
http://www.37signals.com/svn/archives2/functional_specs_subvert_the_hierarchy_of_nature.php

Fried, Jason
Signal vs. Noise

Abstract:

When you use a spec, you give your trust and authority to a piece of paper rather than the people on your team. You codify laws. You strip your 'judges' of the ability to act on intuitive feelings. There’s no fluidity. There’s no ability to respond, change, and evolve.