I don't find it surprising that Google has a keen interest in grabbing a piece of the emerging Chinese search market. The market is already big and will only become huger as more of the Chinese population comes online. It seems like a smart move to me. I'm sure both parties have something to gain from partnering in addition to Baidu.com benefiting from Google's investment money.
"Google, the world's most widely-used internet search engine, has taken a stake in leading Chinese counterpart Baidu.com, paving the way for potential cooperation between the two rivals."
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