Note — Dec 16, 2018

Your Apps Know Where You Were Last Night, and They’re Not Keeping It Secret

Seen in → No.61

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One of those articles where we already know most of what’s referred to but reading (and scrolling through the visuals) everything attached together is a good reminder of the current situation and its excesses.

Several of those businesses claim to track up to 200 million mobile devices in the United States — about half those in use last year. The database reviewed by The Times — a sample of information gathered in 2017 and held by one company — reveals people’s travels in startling detail, accurate to within a few yards and in some cases updated more than 14,000 times a day. […]

The mobile location industry began as a way to customize apps and target ads for nearby businesses, but it has morphed into a data collection and analysis machine. […]