Simplicity of Apple's Design

Long have I been fascinated by Apple's Zen-like design philosophy. Why does it work?

An even more challenging question is: Why is Apple the leader in this new less-is-more design war? What do they do differently?

From advertising to industrial design, they just seem to nail it every time. I found this article fascinating - it's a deconstruction of what the simple policies are for Apple's design department, and what designers can learn from them.