[wmf]

It's not about being open all the way down; it's about being open enough to enable unpredictable innovation. As I said in another thread, even though Mac OS and Windows aren't open source, they are open enough to allow application innovation. Likewise, x86 machines are open enough to allow OS innovation (although there are non-technical reasons why it's hard for non-Windows OSes to take off).

(But speaking of BIOS, I wonder what people will think about Google Firmware once it is released...)