Facebook gives more details on how it tracks non-users

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Think you’re safe from Facebook’s privacy flaws if you are not a user? Think again.
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During Facebook CEO Mark Zuckerberg’s grilling before Congress last week, it became apparent that the social network could have at your data, even if you weren’t on Facebook. That was true whether you never joined Facebook in the first place or were a Facebook member who was offline.

The imperative was clearly on Facebook to do a better job of explaining to users and non-users alike the way it handles data, especially in the wake of the social network’s disclosure that 87 million Facebook users’ information was improperly shared with political targeting firm Cambridge Analytica

Facebook’s clarification came Monday in a post written by Facebook product management director David Baser, who shepherds a team at the company that focuses on privacy and data use and the tools you can use to control and download your information. 

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While echoing Zuckerberg’s own words by insisting that Facebook doesn’t sell people’s data, “period,” Baser listed the various ways that Facebook gets data about people from other websites and apps: social plug-ins like Facebook’s “share” and “like” buttons; the Facebook login, which you can use to enter into another website or app; Facebook Analytics, which lets those other sites and apps better understand how folks use their services; plus other tools which let sites and apps serve and measure the effectiveness of ads. 

“When you visit a site or app that uses our services, we receive information even if you’re logged out or don’t have a Facebook account. This is because other apps and sites don’t know who is using Facebook,” Baser writes.

Baser added that Twitter, Pinterest and LinkedIn have similar Like and Share buttons, Google has a popular analytics service, and Amazon, Google and Twitter all offer login features. “In fact, most websites and apps send the same information to multiple companies each time you visit them.”

Baser goes on to say that Facebook uses the information it gets to provide various services to these sites or apps, including the manner in which such sites can show ads.

 

He also says the information can bolster security on Facebook. “If someone tries to log into your account using an IP address from a different country, we might ask some questions to verify it’s you..”

Does Facebook’s explanations satisfy privacy advocates?

President Marc Rotenberg of the Electronic Privacy Information Center calls the post “a giant surveillance warning label,” in the way it “describes the many non-intuitive ways that Facebook tracks users on the Internet.”

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