The Writers in Prison Committee of International PEN is alarmed by evidence that information supplied by the Internet Service Provider Yahoo! Inc. was used to convict journalist, poet and dissident writer Shi Tao...Please...write to Terry Semel, Chairman of Yahoo!: - expressing alarm that Yahoo! appears to have been complicit in the Chinese government’s prosecution of journalist, poet and dissident writer Shi Tao...- urging Yahoo! to re-examine its policies to ensure that they do not have a negative impacon the legitimate practice of the right to freedom of expression and information, as guaranteed by international human rights standards, notably Article 19 of the Universal Declaration on Human Rights.