China blocks YouTube, Yahoo! over Tibet
http://technology.timesonline.co.uk/tol/news/tech_and_web/article3568040.ece
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Popular sites which assimilate news from different sources - such as
Google News - have been subject to what is known as 'keyword
filtering', where a Chinese internet user attempting to load a page
which contains words such as 'Tibet' or 'Dalai Lama' will see the site
stall.
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