The document discusses openness in mobile applications and operating different platforms' level of openness based on criteria like source code accessibility, discoverability, sharing, shopping, deploying, paying, and supported languages. It assigns a score to platforms like iPhone, Android and Palm based on these criteria, with iPhone scoring the lowest at 6.5 and Palm scoring the highest at 14.5. While iPhone limits openness, it now dominates the market with over 50 million customers, 125,000 developers and 100,000 available apps on its App Store, with over 2 billion downloads.