Phone based entertainment apps isn't the only way GM is catching up to Ford's Sync system. In addition to touch-screen interactivity, GM gave its voice activation technology a much needed upgrade. Now both Ford and GM use Nuance and Gracenote for voice activation of their entertainment systems and navigation. However, with 10,000 natural language commands and years of practice, Ford's Sync might retain the upper hand when it comes getting the car to understand what you want.
Back to 2011 New York auto show.