From Henry Blodget at Business Insider

But regardless of what happens, Microsoft can only now look up in awe and realize that a product that was introduced 5 years ago and that Steve Ballmer famously dissed is now larger and more profitable than Microsoft's whole company.”

Stunning is an understatement. While this article seems to focus more on the negative implications to Microsoft, the real story is what good can happen when an organization delivers a “complete” revolutionary solution.  (Well designed.  Well built.  Adequate supply.  Easy to use.  Priced right.)  Apple has now pulled this off with music, phones, and a whole new tablet market.  Wonder what’s next?