Apple was hailed as a champion of digital privacy this week after refusing to help the FBI hack into an iPhone belonging to a suspect in the San Bernardino shooting. But the firm hasn't always been so scrupulous about user data, especially in China. The standoff between the FBI and Apple over the investigation into the San Bernardino shooting, which claimed the lives of 14 people in early December, has divided the United States. While some have argued that the company should, in this particular case, help investigators by bypassing the phone's security system, others have insisted that doing so...