Hans Howe

How Facebook Outs Sex Workers (gizmodo.com)

Posted by msmash on Thursday October 12, 2017 @10:40AM from the mysterious-algorithms dept.
An anonymous reader shares a Gizmodo report: Leila has two identities, but Facebook is only supposed to know about one of them. Leila is a sex worker. She goes to great lengths to keep separate identities for ordinary life and for sex work, to avoid stigma, arrest, professional blowback, or clients who might be stalkers (or worse). Her “real identity” — the public one, who lives in California, uses an academic email address, and posts about politics — joined Facebook in 2011. Her sex-work identity is not on the social network at all; for it, she uses a different email address, a different phone number, and a different name. Yet earlier this year, looking at Facebook’s “People You May Know” recommendations, Leila (a name I’m using in place of either of the names she uses) was shocked to see some of her regular sex-work clients. Despite the fact that she’d only given Facebook information from her vanilla identity, the company had somehow discerned her real-world connection to these people — and, even more horrifyingly, her account was potentially being presented to them as a friend suggestion too, outing her regular identity to them. Because Facebook insists on concealing the methods and data it uses to link one user to another, Leila is not able to find out how the network exposed her or take steps to prevent it from happening again. “We’re living in an age where you can weaponize personal information against people”Kashmir Hill, the reporter who wrote the above story, a few weeks ago shared another similar incident.
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Facebook Figured Out My Family Secrets, And It Won’t Tell Me How (gizmodo.com) 281

Posted by msmash on Friday August 25, 2017 @12:40PM from the It’s-a-Facebook-world dept.
Kashmir Hill, reporting for Gizmodo: Rebecca Porter and I were strangers, as far as I knew. Facebook, however, thought we might be connected. Her name popped up this summer on my list of “People You May Know,” the social network’s roster of potential new online friends for me. […] She showed up on the list after about a month: an older woman, living in Ohio, with whom I had no Facebook friends in common. I did not recognize her, but her last name was familiar. My biological grandfather is a man I’ve never met, with the last name Porter, who abandoned my father when he was a baby. My father was adopted by a man whose last name was Hill, and he didn’t find out about his biological father until adulthood. The Porter family lived in Ohio. Growing up half a country away, in Florida, I’d known these blood relatives were out there, but there was no reason to think I would ever meet them. A few years ago, my father eventually did meet his biological father, along with two uncles and an aunt, when they sought him out during a trip back to Ohio for his mother’s funeral. None of them use Facebook. I sent the woman a Facebook message explaining the situation and asking if she was related to my biological grandfather. “Yes,” she wrote back. Rebecca Porter, we discovered, is my great aunt, by marriage. She is married to my biological grandfather’s brother; she met him 35 years ago, the year after I was born. Facebook knew my family tree better than I did “I didn’t know about you,” she told me, when we talked by phone. “I don’t understand how Facebook made the connection.” How Facebook had linked us remained hard to fathom. My father had met her husband in person that one time, after my grandmother’s funeral. They exchanged emails, and my father had his number in his phone. But neither of them uses Facebook. Nor do the other people between me and Rebecca Porter on the family tree.
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