Each week Ross Rubin contributes Switched On, a column about consumer technology.
In the 10 billionth song that Apple sold through iTunes, Johnny Cash's "Guess Things Happen That Way", a man other than Steve Jobs famous for black attire bemoans the happenstance of his romantic misfortune. But nothing could be further from the story of iTunes, in which Apple's meticulously crafted ownership of the end-user experience led to a dominant position in music sales. Now, on the dawn of releasing a new device that could be to television shows what the iPod was to music, Apple has an opportunity to create as commanding a
