Facebook answered about "Facebook unintentionally collected user's personal information"

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Cambridge Analytica (Cambridge · Analytka) illegally shares the problem of personal information of 50 million Facebook users analyzedAbout Facebook, Product Management Director David Baser of Facebook uploaded a blog post explaining "When and how Facebook collects and shares information".

Hard Questions: What Data Does Facebook Collect When I'm Not Using Facebook, and Why? | Facebook Newsroom
https://newsroom.fb.com/news/2018/04/data-off-facebook/

Facebook collects data even when you are not on on Facebook
https://www.cnbc.com/2018/04/16/facebook-collects-data-even-when-youre-not-on-facebook.html

In response to the question "How Facebook is getting personal information from other websites and applications", Mr. Baser said, "A site that has introduced Facebook's" Like "and shared plugins If you use a service or app that accesses or logs in with your Facebook account, the information will be sent to Facebook without visiting Facebook. "

byKsayer 1

Also, in response to the question "What kind of data is gathering?", "When the browser accesses the site, the user sends the type of IP address · browser · OS type and issues cookie The site will send the content to the user, but at the same time I will send instructions to the browser to send the same information as the one received by the website to Facebook ".

To use Facebook, you must register your account, but you can access sites and applications that use the Facebook plugin without registering them. "Accessing sites and apps using Facebook plugins sends information to Facebook" means that "information on non-Facebook users who do not have accounts will also be sent to Facebook."

Baser says, "Similar mechanisms are also used by Google, for example, when you watch a YouTube movie embedded in a site other than YouTube, the same information that the site got is sent to YouTube I claim it.

Facebook CEO Mark Zuckerburg said at the Senate Senate hearing that Facebook also collected data from non-Facebook users who do not have an account, but they gathered from non-Facebook users Information is said to be used only for analysis of traffic on the site and advertisements that encourage admission to Facebook, and Baser also makes similar claims.

byPrachatai

On the other hand, we know that Facebook has acquired non-user's personal information in the past via the address book, accumulated in the server and created "shadow profile".

What is "shadow profile" which is created arbitrarily even without using Facebook - GIGAZINE


Washington state nonprofit attorney organization "Center for Democracy & Technology"As Chris Calabrese, Deputy Representative of Deputy Chief Executive Officer, said," It is unclear what we are doing with information collected by Facebook, "Facebook is criticized severely for this issue, It can be said that it is unclear not only the fact that we gathered information regardless of the intention of the user but also "how to collect and handle the information" is unclear.