Early Chinese famous dissidents and journalists in 2005 after being held in foreign divulging state secrets, yahoo is accused of assisting the authorities to determine his release from prison, human rights groups say.
Shi tao was sentenced to 10 years in prison. Yahoo to defend himself, he said, it has to comply with local laws.
Group international pen, said on Saturday night, shi published 15 months before the end of his sentence.
Group of ember, Mary ford Fraser said in a statement: "we welcome Mr Shi early release news, there seems to be more and more long shadow freedom of expression in China,".
"Shi tao was arrest and imprisonment, because yahoo China's actions, the challenge of marked a decade ago, network monitoring to freedom of expression and privacy, we are dealing with now."
A Chinese human rights activist, who is in contact with stone, confirmed that he has been just over a week before release. Activist, who asked not to be identified, said shi guangsheng, now is not to be interviewed.
It is not clear why he has conceded early, although this version as well in prison in China, can be granted.
Power of prosecution is based on his email is sent to a web site based in New York, restrictions on the media was introduced in detail, in advance of the 15th anniversary of the crackdown in 1989 around tiananmen square pro-democracy protests.
He said stone "processing is good prison, in the past few years, wrote many poems, including" song month written from prison, he learned that after liu xiaobo was awarded the Nobel peace prize ".
Liu was detained in 2010 on the subversion and the new Chinese President xi jinping, no signs of trying to release him, or the end of the communist party's crackdown on dissidents and other challenges the authority of the party.
China is in the middle to soothe and push on the Internet freedom of speech and what the authorities say, is a movement, stop the spread of rumors of irresponsible.
Last month, yahoo shut down its email service in China gradually since back from the country to buy shares in China in 2005, the part of alibaba group holding co., LTD.



Other News:
China releases prominent dissident early: group
Asia stocks rise on heels of good US data
Ex-NASA engineer gets probation in software piracy
Australian gov't faces carbon tax backlash at poll
Seoul shares seen higher on firm global data; Fed in focus
Money market fund assets fall to $2.639 trillion
Afghan woman sought in alleged $1.1M bank theft
China investigates head of supervisory commission