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Facebook is Giving Advertisers Access to Your Shadow Contact Information

posted by martyb on Thursday September 27 2018, @07:55PM   
from the shadow-file-brokers dept.

An Anonymous Coward writes:

https://gizmodo.com/facebook-is-giving-advertisers-access-to-your-shadow-co-1828476051:

Facebook is not content to use the contact information you willingly put into your Facebook profile for advertising. It is also using contact information you handed over for security purposes and contact information you didn't hand over at all, but that was collected from other people's contact books, a hidden layer of details Facebook has about you that I've come to call "shadow contact information." I managed to place an ad in front of Alan Mislove by targeting his shadow profile. This means that the junk email address that you hand over for discounts or for shady online shopping is likely associated with your account and being used to target you with ads.

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Original Submission

• His Staff Will Be If He Gets Enough Hate Mail His Staff Will Be If He Gets Enough Hate Mail (Score: 2) by MichaelDavidCrawford on Thursday September 27 2018, @10:18PM (1 child)

  by MichaelDavidCrawford (2339) <mdcrawford@gmail.com> on Thursday September 27 2018, @10:18PM (#741068) Homepage Journal

  There's a good reason to send your congresscritters snail mail as opposed to phone calls or emails:

  They can divide their correspondence into piles, one for each pending legislation as well as for Yea/Nay.

  Then they can weight them. I mean like on a scale.

  --
  Yes I Have No Bananas. [gofundme.com]

  Parent

  Starting Score:	1		point
  Karma-Bonus Modifier		+1
  Total Score:		2

• Re:His Staff Will Be If He Gets Enough Hate Mail (Score: 2) by ikanreed on Friday September 28 2018, @02:06PM

  by ikanreed (3164) on Friday September 28 2018, @02:06PM (#741325) Journal

  Zuckerberg isn't a congressman. He doesn't need your vote. Due to the nature of communication monopolies, he also doesn't need your custom.

  Parent