From Blacklistednews:

You can select who sees your personal information on Facebook, but you can’t select all of the information that Facebook sees about you. A new studyfinds that: “91% of health-related pages relay the URL to third parties, often unbeknownst to the user, and in 70% of the cases, the URL contains sensitive information such as ‘HIV’ or ‘cancer’ which is sufficient to tip off these third parties that you have been searching for information related to a specific disease.” [1]

That word of warning comes from Tim Libert, a researcher from the Annenberg School for Communication at the University of Pennsylvania, whose study shows how dismissive we tend to be when it comes to health privacy on the Internet. [1]

It doesn’t matter whether you search for health-related topics using Google or supposed privacy-focused search engines like DuckDuckGo, Facebook is still likely to find out about it. That’s because websites like the CDC’s HIV information page contains “share” and “like” buttons for Facebook, and that’s all it takes to let the social media site know that you’ve visited the page, even if you never click either of those buttons. Sites like WebMD share information with as many as 34 different domains. [1]

(P.S. Natural Society doesn’t share any of this information with anyone.)

Just because you searched for a disease and visited a site doesn’t mean the “Invisible Web” knows your name and address, but they do know you have an interest in that particular search query, which means social media…

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