The developments are the latest signs that significant parts of Google's business in China, home to more than 450 million Internet users, have been unraveling since March 2010.

Bloomberg News百度和谷歌上的北京地图。 这些情况进一步说明，在网民数量超过4.5亿的中国，谷歌的部分业务从2010年3月份以来一直在缩减。

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It has concerns about other recent Internet developments, such as the patenting of web business models and processes, or the potential for abuse by dominant business-to-business exchanges.

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