American Thought Leaders

How Your Private Data Is Packaged, Sold, and Deployed to Target You | Joe Weil

Nov 21, 2025
Joe Weil, a former Apple product manager and the founder of Unplugged, dives deep into the murky world of smartphone data harvesting. He reveals how your location and behavior are tracked and sold without your knowledge. Weiil discusses the alarming lack of legal protections for this data, making it accessible to foreign adversaries. He offers insights on his journey to create a privacy-first smartphone. Consumers are urged to prioritize products that safeguard privacy, as Weil highlights alarming trends in data vulnerability and the need for national security.
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INSIGHT

Phones Map Patterns Of Life

  • Smartphone apps and advertising databases enable continuous location tracking and co-location analysis to build detailed "patterns of life."
  • Advertisers or adversaries can filter and triangulate this data to find groups or individuals, including home addresses and travel.
ANECDOTE

Data Purchase Exposed Military Homes

  • Mike Yeagley bought advertising data and exposed home addresses of a Delta team to the Department of Defense.
  • His demonstration showed how easily sensitive locations of secret personnel can be derived from ad data.
INSIGHT

Location Data Lacks Fourth Amendment Shield

  • Third-party advertising data falls under the third-party doctrine and lacks Fourth Amendment protection.
  • This legal gap means governments and others often access location and app-derived data without warrants.
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