I'm pretty sure the Green Dam is still withdrawn:
<a href="http://www.washingtonpost.com/wp-dyn/content/article/2009/08/16/AR2009081601697.html" rel="nofollow">http://www.washingtonpost.com/wp-dyn/content/article/2009/08...</a><p>And apparently it was stolen technology from a US firm:
<a href="http://www.tgdaily.com/business-and-law-features/45303-us-firm-sues-china-over-green-dam-code" rel="nofollow">http://www.tgdaily.com/business-and-law-features/45303-us-fi...</a><p>And of course said firm was cyber-attacked afterwards.