It’s pretty amazing, really. While Blockbuster has withered as the world shifted from in-store DVD rentals to by-mail rentals and now to streaming rentals, Netflix has managed to keep itself relevant by staying one step ahead of the curve. Rather than pushing out its own proprietary “Netflix box,” it instead created software and an API that could bring Watch Instantly functionality to a whole slew of devices already in the home — pure brilliance, we say. The mega-successful rental company is making intelligent