this post was submitted on 20 Apr 2026
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I understand triangulation. I'm talking about limiting the context to an advertising ID, which is what is being tracked by law enforcement.
The EFF reporting about Fog Data Science's sources is unsure of the ultimate source of the data.
But if you're concerned about the sources used by data brokers in general, collection and use of location data by corporations is pretty much unregulated, so it's fair to assume that brokers use every trick they can, including buying from anyone who sells the information. Which the carriers are widely believed to do, but are kinda hush hush about it.