The continuing anti-government protests in Egypt appear to have sparked some nervousness in China.
The authorities have blocked searches for the Chinese word for Egypt on micro-blogging sites, similar to Twitter.
Professor David Kelly is from the China Research Centre at Sydney's University of Technology.
To play this content JavaScript must be turned on and the latest Flash player installed.
First broadcast 31 January 2011
BBC © 2014 The BBC is not responsible for the content of external sites. Read more.
This page is best viewed in an up-to-date web browser with style sheets (CSS) enabled. While you will be able to view the content of this page in your current browser, you will not be able to get the full visual experience. Please consider upgrading your browser software or enabling style sheets (CSS) if you are able to do so.