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Facebook is Giving Advertisers Access to Your Shadow Contact Information

posted by martyb on Thursday September 27 2018, @07:55PM   Printer-friendly
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.

Original Submission

 
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  • (Score: 5, Interesting) by MichaelDavidCrawford on Thursday September 27 2018, @08:59PM (1 child)

    by MichaelDavidCrawford (2339) Subscriber Badge <mdcrawford@gmail.com> on Thursday September 27 2018, @08:59PM (#741035) Homepage Journal

    I've posted two of Soggy Jobs' three openings on Facebook.

    Each time I was prompted to select the genders of the people who would see the ad.

    While I selected "Both" I expect that it's very very common for hiring managers to select only "Men".

    While sex discrimination is unlawful, it's not in many other nations. I know that in the Philippines particularly, it's very common for Help Wanted ads to specific both the gender and the age range of the applicants they are seeking. This because a friend owns a Filipino grocery store; he gave me a copy of a Manila newspaper.

    --
    Yes I Have No Bananas. [gofundme.com]
    Starting Score:    1  point
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  • (Score: 0) by Anonymous Coward on Friday September 28 2018, @12:14AM

    by Anonymous Coward on Friday September 28 2018, @12:14AM (#741117)

    Yup... https://www.theregister.co.uk/2018/09/19/facebooks_ads_sexist/ [theregister.co.uk]