China blocks Twitter and other social media sites before Tianamen Square's 20th Anniversary on June 4th! Check out the full article at http://tinyurl.com/pdx3dm.
The original post was by Huffington Post: http://www.huffingtonpost.com/2009/06/02/china-blocks-twitter-ahea_n_210177.html
There's also a Google spreadsheet of all of the sites that have been blocked: http://spreadsheets.google.com/pub?key=rcz-FpRKSsvyQUnLL1UMjcg&single=true&gid=0&output=html
Post by Erica Swallow