It’s simple. Your data might have been harvested by a Cambridge Analytica, a political data firm hired in 2016 by President Trump’s campaign that had access to information on more than 50 million Facebook users. The firm offered tools that could identify the personalities of voters and influence their behavior.

The company gathered data when Facebook users took a personality test. But it didn’t just gather data from people who took the test; it also got data on their friends. Facebook now has a page that will tell you whether your data went to Cambridge Analytica. You can see if your data was compromised by clicking here.

If your data went to Cambridge Analytica, you’ll see exactly how the company got your data and what information it gathered.

If your data wasn’t compromised, you’ll see a note like this:

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