THE COMPETITION OF OPERATION SYSTEMS ARE QUITE FIERCE ,BUT WHAT DO YOU THINK ABOUT THE IOS 5 ,ANDROID ,MEEGO AND WP7. Siri really shock the world ,it's a revolution of AI, Android is no worse than IOS, though the underlying code may not be that perfect and the hardware requirement is so strict. MEEGO ,NOKIA'S N9 maybe a product that change the traditional operation method,swipe to change the world. MS ,as a famous enterprise, it may bring us surprise. how do you think about it? share your idea.