But the most striking result was from a third experiment. By mining public sources, includingFacebook profiles and government databases, the researchers could identify at least onepersonal interest of each student and, in a few cases, the first five digits of a social securitynumber. All this helps to explain concerns over the use of face-recognition software by thelikes of Google and Facebook, which have been acquiring firms that specialise in that technology,or licensing software from them. Privacy officials inEurope have said they will scrutinise Facebooks use of face-recognition software to helppeople tag, or identify, friends in photos they upload. And privacy campaigners in Americahave made a formal complaint to regulators.
但还是第三个试验的结果最引人注目。通过挖掘Facebook头像以及政府数据库等公共资源,研究人员可以确定每位同学的至少一种个人兴趣,有几次甚至识别出他们社保号码的前五位数字。看到这些,你就知道了为什么人们对于Google 和Facebook这样的网站使用面部识别软件那么关心,这些网站一直在收购专门研制这种技术的公司,或者从他们那里获得软件的使用许可。欧洲关于隐私方面的官员们表示,他们将详查Facebook使用面部识别帮助人们进行跟踪、识别他们下载照片中的朋友。美国的一些隐私保护组织已经向监管者提出正式投诉。
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