If you're wondering if Facebook shared your data with Cambridge Analytica, this tool will help you find out. Of course, it's provided by Facebook, you need to use your Facebook account to access it, and you're just going to have to trust that Facebook is telling you the truth in the results. That's a tall order these days, but it's worth checking, anyway.

The tool will tell you whether or not you or any of your friends ever logged into "This Is Your Digital Life", which is the app Facebook says Cambridge Analytica used to get at your data. You can also manage the information you share with other apps and websites by adjusting your settings while logged into your Facebook account.

Of course, the settings we can access as users don't necessarily represent the entirety of the various ways Facebook collects and distributes our data, but it's the one thing we have power over. Be sure to check your settings and remove any apps and websites you don't absolutely trust to keep your information safe.

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