The app, called Pivot, will match GPS data from your mobile device with geolocation data tags on images in a database.

这款名为枢轴的应用能将个人移动设备上的全球定位系统数据与数据库图像中的地理定位数据标记进行匹配。

The Geolocation privacy and surveillance act says location data from phones, car trackers, GPS devices and laptops should be protected by the Fourth Amendment.

地理定位和隐私法案规定，从手机，汽车追踪，GPS设备和笔记本电脑获取的地点数据都应该受到第四修正案的保护。

And one thing that I think is-causes a lot of concern is that it can also track your geolocation data, if you give it permission to do so. So it knows where you are when you're using the app.

我认为引起很多关注的一件事是，如果您允许它这样做，它还可以跟踪您的地理位置数据。因此，当您使用该应用程序时，它会知道您的位置。