A man wears a mask of the Anonymous hacker group as he and other people take part in a protest for the cause of late Chinese dissident Li Wangyang in Hong Kong on June 10, 2012. Li, 62, who spent 22 years in jail for his role in the Tiananmen democracy protests died in allegedly suspicious circumstances in his hospital ward in central China's Hunan province on June 6 by his sister and brother-in-law.