Conclusion
Kaizen is Japanese for "continuous improvement." As a business philosophy, it's mostly used in reference to successful manufacturing processes, but it is obvious that Apple embraces the concept as well.
The more I use Leopard, the more I can appreciate the creativity and hard work that went into making the productivity applications and system tools so much more useful. There are no drastic changes in the way you already do things, and the new things you can do are easy to figure out and start using right away. If that's not improvement, I don't know what is.
Seth Weintraub is a global IT management consultant specializing in the technology needs of creative organizations, including The Paris Times, Omnicom and currently the Federation Internationale de l'Automobile. He has set up and managed cross-platform networks on four continents and is an expert in content management systems and large-scale PC and Macintosh infrastructure. He also blogs for 9to5Mac.