Yahoo China, MSN China and other blog providers in China have signed a code of conduct for their blogging operations that committed them to protecting the interests of the Chinese state. The pact ask the Internet firms to register the real names, addresses and other personal details of the bloggers, and then keep this information. The firms should also delete any "illegal or bad messages." Along with sex and violence, China"s communist rulers have also deemed that opinions critical of it or the spreading of democratic ideology are not allowed. International press freedom group Reporters Without Borders condemned the new blogging pact: "The Chinese government has yet again forced Internet sector companies to cooperate on sensitive issues. In this case blogger registration and blog content."