Go read this New York Times investigation of the location tracking data of the Capitol rioters

You’re being tracked — around the web, sure, but also in real life: the apps on your smartphone are constantly feeding data into the digital advertising market, where it’s bought and sold by hedge funds, financial institutions, and marketers. A new report in The New York Times underscores the horrifying implications of the system, featuring location data mined from the rioters who sacked the US Capitol on January 6th, leaked by an anonymous source in the industry.

“This new data included a remarkable piece of information: a unique ID for each user that is tied to a smartphone,” they write. “This made it even easier to find people, since the supposedly anonymous ID could be matched with other databases containing the same ID, allowing us...

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