Facebook Is Giving Away More Of Your Data
in which she found that an individual's telephone number that had never been added to a Facebook account could be still be used by advertisers to directly target the person's Facebook account .
It is gleaned by Facebook from security information users provide for emergency account retrieval – but do not include in their individual profile .
and Facebook's advertising settings can then be used to tailor specific adverts to Facebook accounts matching the data set .
Original full article is here : http://itsisue.tistory.com/1453
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