When Facebook CEO Mark Zuckerberg testified in front of Congress last week about the ongoing Cambridge Analytica scandal, he was asked a question about what kind of data Facebook collects from people when they use various apps and websites that have Facebook tools and integrations installed.
Zuckerberg promised to share more information on that topic at a later time, and today Facebook made good on that promise with a detailed article on what data Facebook gets from third-party apps and websites.
Facebook has several plug-ins and tools that allow Facebook to gather data on users even when they`re not using Facebook, including social plugins (Like and Share buttons), Facebook login (which lets you log in to services with a Facebook account), Facebook Analytics, and Facebook ads (allows apps and websites to show ads from Facebook advertisers, run ads on Facebook, and measure ad effectiveness).
Facebook says that whenever you use an app or a website that has one of these tools installed, the company receives information even if you`re logged out of Facebook or do not have a Facebook account.
According to Facebook, the information collected offline is used to `make [app and website] ads better,` with Facebook receiving data that includes IP address, browser, operating system, cookie information, and which app or website you`re using, all of which is common information collected when you use an app or a website.
Facebook provides detailed information on how the data collected from each of these tools is used:
Social plugins and Facebook Login. We use your IP address, browser/operating system information, and the address of the website or app you`re using to make these features work. For example, knowing your IP address allows us to send the Like button to your browser and helps us show it in your language. Cookies and device identifiers help us determine whether you`re logged in, which makes it easier to share content or u ...
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