A Chinese girl exits a China Mobile self-service payment machine outlet in Beijing, Wednesday, Sept. 1, 2010. China began requiring identification on Wednesday from anyone purchasing a new mobile phone number in what it says is a bid to stamp out rampant junk messages but that some say is raising new privacy concerns. (AP Photo/Andy Wong)

Photo by: Andy Wong

A Chinese girl exits a China Mobile self-service payment machine outlet in Beijing, Wednesday, Sept. 1, 2010. China began requiring identification on Wednesday from anyone purchasing a new mobile phone number in what it says is a bid to stamp out rampant junk messages but that some say is raising new privacy concerns. (AP Photo/Andy Wong)