Each week Ross Rubin contributes Switched On, a column about consumer technology.
When Microsoft introduced the original Xbox, the company had a lot to prove. The console newcomer promised that it was laser-focused on building a great system for games. There wasn't much to distract it. In a time of DVDs and dial-up, "convergence" in the space was focused on the ability for consoles to play back movies rented at Blockbuster.
But everyone kn