Each week Ross Rubin contributes Switched On, a column about consumer technology.
A decade ago at Macworld Expo, Steve Jobs provided a rare look into the vision guiding Apple. Breaking with naysayers foretelling the demise of the PC, Jobs said that the PC was now entering a third golden age of "Digital Lifestyle," following those of productivity and the Internet. In this era, the PC would serve as a digital hub.
The presentation was rife with references that are amusing with a decade of hindsight, one in which Apple has received more attention for its work in advancing popular digital spokes. For example, in pointing o