1. But industry watchers say that view misses an area where China goes toe-to-toe with Western rivals in innovation: extra features that make the Chinese version more interactive and more interesting to use.
2. The exchanges revealed there is little major difference between the two in term of their approach to security and foreign affairs. On Iran both vowed it will not be allowed to have nuclear weapons. Rommey said he would introduce more stringent sanctions; Obama said they were already as stringent as they could possibly be.