and China has their own knockoff version (surprise, surprise), called Youku Tudou which has about 500 million unique visitors each month. The funny thing is that even though YouTube is banned in China, Alexa still ranks it as the 11th most popular website in China and even the Chinese media such as CCTV have official YouTube accounts.
#gofigure
Disclaimer: I just found this out today and don't know much about the details of it other than it's both banned and accessible.