Uh ? I was saying the exact opposite, that Apple didn't invent the PDA.

I think you have me confused with some kind of "Apple does no wrong and does everything right" bot or something.
Psion is credited with the invention modern PDA (the electronic agenda like device that holds contact information, notes, reminders and today does e-mail/web/messaging). I was setting the record straight. Of course, now he moved the goal posts on me, saying the Psion used a keyboard input so it is "text based".
I guess Mac OS X is also text based since I can control my Mac with my keyboard only, using hotkeys and keyboard shortcuts to perform menu functions and navigation. Heck, Windows has been able to function without a mouse forever and so do many Linux window managers (some are even made precisely with that goal in mind, ie, Ratpoison). But you know, it can't be a GUI without trackpads/touch/mice, no sireeeeeee, let's move them goalposts some more.
Microsoft though with the Surface doesn't have to adhere to there OEM requirements you know. And seriously, at this point, I have serious doubts about Microsoft playing "fair", thus I'd rather be vigilant.
Anyway, I refer you back to my initial article on the subject, dated 2nd of July 2012 (yesterday) that addresses why even with your white paper, there are serious issues with SecureBoot as proposed by Microsoft :
http://arstechnica.com/information-...raises-concerns-about-distro-implementations/
Please read all the articles when responding, don't cherry pick and ignore what you will. Microsoft is still Microsoft. They're just being more careful at not getting caught this time. They haven't changed at all, their goal is the same as it always has been, to lock you to their platform and make sure you cannot interoperate with the rest of the world, becoming reliant on their technologies so you have to use them as an upgrade path all the time.
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I personally consider the fetish with all-GUIs to be a mistake. In many instances, the command-line or text based UIs (or even GUIs with good keyboard control) can be much more easily automated to perform batch tasks that involve multiple steps and are quite faster when requiring both navigating and typing at regular intervals (like filing out forms). Being able to both navigate and type without your hands leaving the keyboard is crucial to speed of execution in this applications.
A good modern application should have a GUI to help lower the learning the curve with visual clues to how the application works, a good command line interface for advanced user that can just type or copy/paste a bunch of commands and a scripting interface to provide batch control.
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Yes, he did. The modern PDA like device was not invented by Apple, Apple just took inspiration from Psion and HP's devices.
Icons don't require touch/mouse/trackpad input to be functional. I had GUIs that were mouseless with activatable icons from keyboard shortcuts way before I even owned a mouse.
I find it is you who has a very narrow definition of an icon in this case. An icon is simply an action that is graphically presented to a user. How you activate it matters little, be it through keyboard "arrows and enter" or a mouse click or a trackpad tap or a touch on the screen.