Ads You See Online Are Now Police Surveillance
Source: YouTube · The Infographics Show · published Aug 30, 2026 · 23:11
Law enforcement agencies are using a surveillance tool called Fog Reveal to access warrantless, highly granular location data harvested from everyday smartphone apps, exploiting a legal loophole in Fourth Amendment protections 1:03-1:13.
Key Takeaways:
• Fog Reveal, created by a company founded by former DHS officials, allows police to draw a box on a map and see every phone that entered that area along with 90 days of subsequent movement history, all for roughly $7,500 a year 1:17-1:39.
• This surveillance circumvents the Fourth Amendment due to the Third-Party Doctrine, a 1970s legal precedent stating that voluntarily sharing data with an app means surrendering your expectation of privacy, even to the government 5:05-5:28.
• While the 2018 Carpenter v. United States ruling required warrants for cell carrier data, it deliberately left open the loophole exploited by Fog Reveal, where app data is sold through brokers like Venntel to agencies including the FBI, DEA, and ICE 7:20-7:48.
• The data is brokered through Real-Time Bidding, a system that broadcasts your location to thousands of companies roughly 747 times a day—an industry worth $117 billion where "anonymous" data can be re-identified with just four location points 13:46-14:49.
• Apple's App Tracking Transparency fails to stop this surveillance because it targets cross-app tracking via advertising IDs, leaving the network-level RTB bid request broadcasts completely unaffected 19:54-20:13.
Until federal legislation mandates warrants for purchasing commercial location data and establishes genuine data privacy protections, users will continue subsidizing their own warrantless surveillance 22:18-22:44.
Sources:
- 1:03-1:13 Demonstrates how detectives use Fog Reveal to search for devices in a geographic area
- 1:17-1:39 Explains Fog Data Science's origins and its "pattern of life" analysis capabilities
- 5:05-5:28 Details the Third-Party Doctrine and how it strips Fourth Amendment protections
- 7:20-7:48 Describes how Carpenter v. United States left the app data loophole open for brokers like Venntel
- 13:46-14:49 Covers the ICCL report on Real-Time Bidding exposing location data 747 times daily
- 19:54-20:13 Explains why Apple's App Tracking Transparency fails to stop RTB data broadcasts
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First 800 characters of the transcript
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