(Business Insider) Facebook, Google, and Oracle are tracking the porn you watch, according to a new study first spotted by The New York Times.

Researchers from Microsoft, Carnegie Mellon, and the University of Pennsylvania analyzed 22,484 pornography sites using a tool called webXray to identify tracking tools feeding data back to third parties.

“Our results indicate tracking is endemic on pornography websites: 93% of pages leak user data to a third-party,” the study concludes.

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