Eff.org did similar a while back; also, browsing habits for years have been clearly a "Fingerprint," same as the keystrokes, depth, etc, were found recently on a monitor.
Even better, creepier, was the government study 15 years ago that could identify people by how they walk, only, via video camera / surveillance.
Or, remember the AOL study? That was only IP addresses, and many people were "Unmasked," this was meta data / search logs, only and identified individuals. That was a decade back. Seemingly, this article only uses citations that are 0-4 years old, it's been a well trod issue for a while, even in journalistic circles.
Even better, creepier, was the government study 15 years ago that could identify people by how they walk, only, via video camera / surveillance.
Or, remember the AOL study? That was only IP addresses, and many people were "Unmasked," this was meta data / search logs, only and identified individuals. That was a decade back. Seemingly, this article only uses citations that are 0-4 years old, it's been a well trod issue for a while, even in journalistic circles.