除了标准照片文件中包括的大量信息之外，一项新技术的运用甚至可以找到照片拍摄地点的详细信息。
Beyond the stacks of info contained within standard picture files, a new breed of applications can pile on even more detailed signals about where a photo was taken.
照片拍摄地的确定也使得将照片与天气，人口密度、植被、地形、土地等地理信息联系起来成为可能。
Determining the location of photos also makes it possible to combine them with geographic data bases related to climate, population density, vegetation, topography and land use.
通过这些信息，软件可以找到拍摄地点附近的人，然后显示出他们的照片。
Using those signals, the app figures out who is nearby and then displays their photos.
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