Major US Tech Companies helping China Block Internet Information Flow
From FORTUNE magazine:
Microsoft, Google, Yahoo! and Cisco came under sharp attack from leaders of Congress and human rights advocates for aiding China’s efforts to censor the Internet and punish dissidents. Seems like profit is more important to them than Freedom of Information. For more information, see Tech Under Attack
Or see the difference yourself. Search for tiananmen in http://www.google.com and then again in http://images.google.cn.