Many people now know that sharing information on social networking sites can leave their personal lives less than private, but what they may not realize is that the same caveats apply to web forums, blogs, and just about anywhere people share information.rnA recent Wall Street Journal article titled "'Scrapers' Dig Deep for Data on Web" described the way companies such as Dow Jones & Co. and Nielsen Co. comb publicly accessible sites to collect, or "scrape," bits of information on everything from medical diagnoses to how people feel about the car they just bought.
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机译：现在，许多人知道在社交网站上共享信息可能会使他们的个人生活比私人生活少一些，但他们可能没有意识到的是，同样的警告适用于网络论坛，博客以及几乎任何人共享信息的地方。杂志标题为“'Scrapers'Dig Deep for Web data”的文章描述了道琼斯公司（Dow Jones＆Co.）和尼尔森公司（Nielsen Co.）等公司组合可公开访问的网站以收集或“刮擦”从医学诊断到人们对他们刚购买的汽车的感觉如何。
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