Fans of Apple's Mac, iPod and iPhone gather for the annual Macworld Expo. It's where the company rolls out new products. But China isn't so dazzled by Apple's iPhone, it seems. Apple and China's largest mobile phone company call off plans to launch the iPhone. A spokesperson for China Mobile didn't say why. But experts have predicted Apple would face technical trouble trying to market the iPhone in China, as well as hurdles over content and fees.