Given the choice between paying for Twitter stats or using FacebookInsights for free, perhaps some businesses would choose Facebook as their social platform of choice.
Those looking for deep insights into the phenomenon represented by Facebook, which now boasts some 250m members, will be disappointed by Ben Mezrich's book.
那些打算深入观察脸谱网现象的人称大概2.5亿的网民将会对脸谱网感到失望。
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Facebook has since turned these insights into precision advertising, the foundation of its business.