Found the article I remember reading last year about this same time frame.
YouTube, Facebook and Twitter "redirected to China"
By Barry Collins
Posted on 26 Mar 2010 at 09:10
Visitors to some of the world's most popular websites - including YouTube, Facebook and Twitter - were reportedly redirected to servers in China this week.
One of the internet's main DNS root servers was reportedly rerouting traffic via China, giving visitors to those sites first-hand experience of what life is like behind the country's firewall. Sites such as Facebook and YouTube are banned in China, which has infamously strict web censorship rules.
The "hijacked" visitors were either sent to Chinese equivalents of the sites, or shown error messages claiming the sites were unavailable, according to a report on CNet.com.
read more here...
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www.pcpro.co.uk/news/sec ··· to-china