BEIJING - OCTOBER 21:  A Chinese model shows the new type of Sharp mobile phone to visitors at the P&T/Expo Communication China 2008 at China International Exhibition Center on October 21, 2008 in Beijing, China. According to a recent report, there are now 616 MIllion Chinese mobile phone users, 84.5 million of them have begun using thei phones to surf the internet. China has already become the largest market of mobile phone of the world.  (Photo by Feng Li/Getty Images)