Not really, but it does bear repeating, as many in sales, purchasing, project management, management in general, politics and possibly more, does not seem to gr

Not really, but it does bear repeating, as many in sales, purchasing, project management, management in general, politics and possibly more, does not seem to grasp that iterations are an absolute requirement in a software development process. If we where able to design and deliver the exact requirement and perfectly estimate the time required, then that time would be zero, as the software would already have been written.