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The FBI has confirmed to the Senate it is once again buying data which can be used to track the locations of US citizens. That may have surprised the people who thought the precedent in Carpenter v. United States prohibited it. But while that case examined if it was legal for law enforcement to obtain location data from mobile networks without a warrant, here the FBI and other agencies have found a way to skirt the Fourth Amendment entirely. Over the last few years, they have taken to just buying location data from the same companies which power the enormous online advertising ecosystem.
Where does this data come from?
When your phone is connected to the internet, it broadcasts about itself, and so do the apps and platforms you use. That information includes your IP address and device type, as well as your longitude and latitude if your device has GPS. This data, known as Bidstream, alongside any third party cookies tied to your device, enables the process of Real Time Bidding (RTB). RTB is the process where your attention is auctioned off to the highest bidder in the milliseconds after you've loaded a page. In order to make the auctions work, these platforms need to know as much about you as they can.
As I explained in depth back in 2021, data such as your location and IP address is broad
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 This week was Apple launch week, and we're already seeing solid markdowns on the new M4 iPad Air, M5 MacBook Air, and more. Additionally, below you'll find deals on AirPods 4 with Active Noise Cancellation and Apple Watch Series 11.
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