What makes Wikimedia different from Hudong & Baidu Baike

In a PR approach, Hudong is our competitor, Baidu is not, in the brand to be exact. Hudong obviously tried to use our brand, claiming themselves "the China's Wikipedia", even in online reports in HK. I didn't see Baidu had such thing

If you guys want me to do some more detailed media analysis, please reply --Yuyu 17:02, 25 October 2009 (UTC)

Yes, Yuyu. We need you help.