The mosaic theory of the Fourth Amendment holds that, when it comes to people’s reasonable expectations of privacy, the whole is greater than the sum of its parts. More precisely, it suggests that the government can learn more from a given slice of information if it can put that information in the context of a broader pattern, a mosaic. This insight, that the incremental privacy threat posed by the government’s acquisition of information increases as more information is obtained, was given its most forceful articulation by

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隐私、第四修正案学说和马赛克理论的实际期望

第四修正案的马赛克理论认为，当涉及到人们对隐私的合理期望时，整体大于部分之和。更准确地说，它表明，如果政府能够将信息置于更广泛的模式（马赛克）的背景下，它可以从给定的信息片段中学到更多。这种见解，即政府获取信息所带来的渐进式隐私威胁随着获取更多信息而增加，得到了以下最有力的阐述：