BBtv has a thought-provoking piece on some guerilla art with regard to Google and its China policy. I’ve written extensively on the background (for more, here). if you want to get to the good stuff quickly (I understand folks are busy,) the piece is long-ish, head to 4.45 min or so.
http://p.castfire.com/Xu7m0/video/12366/bbtv_2008-05-15-022046.flv
Discussion can be found here.