...[A] rights group has revealed that Yahoo's China operation provided a Beijing court with information used to jail a political dissident. Human Rights in China...said Thursday that Wang Xiaoning was sentenced to 10 years in prison in Sept 2003 for "incitement to subvert state power" after Yahoo provided authorities with his email address... This is the fourth time the company has been accused of helping authorities jail its users for expressing controversial political views...Yahoo denied the company was involved in any wrongdoing. "We obey local laws wherever we operate," said Pauline Wong, a Yahoo spokesperson in Hong Kong. [also refers to Google, Microsoft, Alibaba]