Mobile Opportunity: Symbian changes everything, and nothingYou might think he was excluding the iPhone OS because it's derived from a desktop OS, or you might think he excluded OS X because it's bound to hardware, but I've been reading MO for a bit. He really has no interest in the iPhone as a mobile platform.
...Here's the weird thought for the day: Microsoft is the last major company charging money for a mobile operating system...
That's just too odd.
On the other hand his link to the Register's Psion retrospective is party redeeming. The story reminds me of the sad tale of PenPoint -- I keep that book next to my OS/2 architecture book.