It's possible I misunderstand what you mean by 3D but generally 3D interfaces don't work. Humans may live in a 3D world but we can only comfortably work with 2D. It's how our minds are wired.
Front Row and the rest are only just 3D and very simple interfaces to boot. An operating system is an entirely different kettle of crabs and a whole other order of complexity. No, instead I think they represent meta-interfaces, where you can comfortably work outside the OS's own interface. They are all things that you can - and want too - access from anywhere in the OS and are also separate from the OS - not part of it but supporting it.
This time ArsTechnica's post is very shallow.
Commenting by HaloScan
