Here's how Facebook tracks you even when you're logged out

Here's how Facebook tracks you even when you're logged out

Here's how Facebook tracks you even when you're logged out

The redesign comes at a time when Facebook is embroiled in a widening scandal after reports that British data firm Cambridge Analytica had improperly gathered detailed Facebook information on 87 million users, up from a previous estimate of more than 50 million.

Facebook says it can match that data to a Facebook profile, if the person has one. For advertising purposes, the company says.

Facebook co-founder, Chairman and CEO Mark Zuckerberg prepares to testify before the House Energy and Commerce Committee in the Rayburn House Office Building on Capitol Hill April 11, 2018 in Washington, DC. The document that has been filed late on Friday, Facebook said it had spent $7.3 million in personal security costs and $1.5 million on personal use of private aircraft by Zuckerberg in 2017. That means that these non-subscribers haven't a clue about what information Facebook has obtained about them. Facebook receives all of this data as well, Baser said, as well as information on which website or app is being used.

The European Union's digital chief will meet with Facebook CEO Mark Zuckerberg in San Francisco as the world's largest social network faces increasing scrutiny over its use of personal data.

"This is because other apps and sites don't know who is using Facebook", Baser wrote.

Is this new or should it really surprise us?

Firstly, Baser said the data helps run social plugins and logins to keep the app running properly, analytics for websites and developers and ads and related ad measurement tools.

More than a decade ago, Internet users started realizing that most pay-per-click advertisements revolved around the cookies in your web browser's cache.

"A website typically sends two things back to your browser: first, content from that site; and second, instructions for the browser to send your request to the other companies providing content or services on the site".

Mind you, most information which Facebook or other websites collect are vital to render meaningful services.

The information Facebook gets from third-party websites and apps includes: IP addresses, browser and operating system information, the address of the website or app you're using, cookies and device identifiers.

Other companies, including Twitter (NYSE:TWTR), Pinterest and LinkedIn (NASDAQ:MSFT) have similar setups, Facebook says.

The social media site goes onto to explain exactly how it uses the data it collects in the wider internet.

Facebook also committed to making it easier for users to access the data shared with the platform by downloading a secure copy and moving it to another service. It adds that it believes in everyone deserves good privacy controls and requires websites and apps who use Facebook tools to tell you they're collecting and sharing your information with Facebook and to get your permission to do so.

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