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zeynep's profile
zeynep tufekci
zeynep tufekci
zeynep tufekci
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@zeynep

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zeynep tufekciVerified account

@zeynep

Complex systems, wicked problems. Society, technology, science and more. @UNC professor. @NYTimes columnist. My newsletter is @insight: http://www.theinsight.org 

floating in a most peculiar way
theinsight.org
Joined August 2009

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    1. zeynep tufekci‏Verified account @zeynep 21 May 2020

      I had a discussion about high-end coffee machines and looked one up on phone (not buying one!). Only FB app on phone is WhatsApp. Went on computer (guest mode on chromebook) to Facebok and I saw the very very very first high-end coffee maker ad in my life. Any plausible path?

      177 replies 149 retweets 463 likes
      Show this thread
    2. zeynep tufekci‏Verified account @zeynep 21 May 2020

      zeynep tufekci Retweeted

      I had been logged on my Facebook on the second computer. I literally have a Chromebook whose key purpose is for me to log on to Facebook in guest mode. (Part of my experiment in tracing these things). That computer has none of my accounts logged in. None. https://twitter.com/soupkitchen/status/1263623319946842113 …

      zeynep tufekci added,

      This Tweet is unavailable.
      7 replies 9 retweets 76 likes
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    3. zeynep tufekci‏Verified account @zeynep 21 May 2020

      zeynep tufekci Retweeted P.T.

      I know some will think it's the microphone but that's implausible (only FB app on phone is Whatsapp and I think we'd know) and also really burdensome (they are going to transcribe conversations?) and also why, why, why? Illegal, big risk, not necessary.https://twitter.com/proteantimes/status/1263623698520477697?s=20 …

      zeynep tufekci added,

      P.T. @proteantimes
      Replying to @zeynep
      Happened to me too. Some app on phone picks up from microphone.
      15 replies 6 retweets 85 likes
      Show this thread
    4. zeynep tufekci‏Verified account @zeynep 21 May 2020

      zeynep tufekci Retweeted "A Bloody Fucking Legend"

      I normally tell people exactly that, but I systematically look at every Facebook ad I get and make note of any new category. Absolutely the first high-end coffee maker ad I have seen on Facebook ever in my life in at least last decade of being on Facebook.https://twitter.com/sextoyspolitics/status/1263624187534405633 …

      zeynep tufekci added,

      "A Bloody Fucking Legend" @sextoyspolitics
      Replying to @zeynep
      So it's POSSIBLE that this is just the first time you've ever *noticed* a high-end coffee machine ad, because you had them on your mind, and our brains do work that way. But I would also not be at all surprised if this was a case of tech surveillance.
      6 replies 10 retweets 88 likes
      Show this thread
    5. zeynep tufekci‏Verified account @zeynep 21 May 2020

      zeynep tufekci Retweeted Bob Hunt

      Right, that's what I'm asking. Is it known that Facebook pixel will log IP and Facebook will allow targeting like that? I'm not asking if anyone knows this is a product on offer or known to be done? Not asking for the wildest theory. Is there an IP path?https://twitter.com/Bobhunt5/status/1263624098120433667 …

      zeynep tufekci added,

      Bob Hunt @Bobhunt5
      Replying to @zeynep
      Facebook pixel on the coffee maker website
      15 replies 9 retweets 87 likes
      Show this thread
    6. zeynep tufekci‏Verified account @zeynep 21 May 2020

      zeynep tufekci Retweeted Robin Berjon

      Iphone (iOs), Safari, private mode. So the only thing I can imagine is the IP. Two separate machines/browsers and both browsers are not logged into anything and are in incognito/private mode.https://twitter.com/robinberjon/status/1263624507534856193 …

      zeynep tufekci added,

      Robin Berjon @robinberjon
      Replying to @robinberjon @zeynep
      (You say you looked it up on the phone but what with, browser, OS, etc.)
      9 replies 5 retweets 57 likes
      Show this thread
    7. zeynep tufekci‏Verified account @zeynep 21 May 2020

      zeynep tufekci Retweeted Steven M. Bellovin

      Right. Cross-device tracking. Though this was immediate. Look up - > ad. So I'm wondering if this is a product they sell? They just do it to increase ad relevance (free to advertiser?)https://twitter.com/SteveBellovin/status/1263625004442320902?s=20 …

      zeynep tufekci added,

      Steven M. BellovinVerified account @SteveBellovin
      Replying to @zeynep
      Both from home WiFi? Then it's the same IP address. Trying to link devices is a major goal for companies like Facebook; see, e.g., https://www.usenix.org/conference/usenixsecurity17/technical-sessions/presentation/zimmeck …
      10 replies 13 retweets 73 likes
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    8. zeynep tufekci‏Verified account @zeynep 21 May 2020

      zeynep tufekci Retweeted IlGnom-eh.

      No, not even once. Plus, I actually switch to brand new phones fairly often (don't ask; it's research). This phone was deliberately kept completely free of Facebook except for having WhatsApp on it. I have a single, separate device for Facebook.https://twitter.com/ilgnome/status/1263627147186405385 …

      zeynep tufekci added,

      IlGnom-eh. @ilgnome
      Replying to @zeynep
      Have you ever visited facebook website on the phone itself?
      6 replies 7 retweets 29 likes
      Show this thread
    9. zeynep tufekci‏Verified account @zeynep 21 May 2020

      zeynep tufekci Retweeted

      That's my guess: that there is some fingerprinting going on and all my devices are linked to my Facebook account. (They use same IP regularly). Basically, no amount of privacy options or switches on the platform or separating devices protects against this. https://twitter.com/aarongraves/status/1263625691750436870 …

      zeynep tufekci added,

      This Tweet is unavailable.
      11 replies 34 retweets 173 likes
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      zeynep tufekci‏Verified account @zeynep 21 May 2020

      zeynep tufekci Retweeted Wolfie Christl

      I would love to get to know if anyone has clarity/information on this? It seems like a really important thing for people to know: forget not being on Facebook, even not being on the same device is protective of tracking via cross-device tracking/IP.https://twitter.com/WolfieChristl/status/1263629657230004225 …

      zeynep tufekci added,

      Wolfie Christl @WolfieChristl
      Replying to @WolfieChristl @zeynep
      I don't have evidence, but I'm pretty sure FB pixel ingests the IP. In order to create household ID links and/or to feed it into their retargeting optimization algorithms (without advertisers having control over this). https://twitter.com/zeynep/status/1263625251260416002 …
      5:40 PM - 21 May 2020
      • 17 Retweets
      • 73 Likes
      • jeff.s Benjamin Rodde John Borthwick nicequal Randy T. Bartlett Patrick Colgan mkalina Brian Orce 𝓮𝓿𝓸 lights your fires 🔥🦋
      8 replies 17 retweets 73 likes
        1. New conversation
        2. zeynep tufekci‏Verified account @zeynep 21 May 2020

          zeynep tufekci Retweeted Robin Berjon

          I looked up one brand, got ad for another brand. 😀 It was a very very specific conversation, and I'm actually not in the market for coffee machines. And it was instant. Looked up, put phone down, turned on other machine, saw ad for other brandhttps://twitter.com/robinberjon/status/1263632775682437126 …

          zeynep tufekci added,

          Robin Berjon @robinberjon
          Replying to @robinberjon @swodinsky @zeynep
          I'm curious, did you look it up on a brand site and get an ad for another brand? Or on an ecommerce site and got an ad to buy elsewhere? Because if so that's a neat smoking gun for the harms of tracking to publishers, brands, and businesses!
          5 replies 6 retweets 37 likes
          Show this thread
        3. zeynep tufekci‏Verified account @zeynep 21 May 2020

          zeynep tufekci Retweeted

          All my searches are in incognito mode. I know it's hard to believe, but I actually research stuff like this for a living. I put everything in incognito mode and separated devices and sandboxed Facebook just so I could rule that out. https://twitter.com/adnanchcg/status/1263633265749090304 …

          zeynep tufekci added,

          This Tweet is unavailable.
          11 replies 6 retweets 80 likes
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        4. zeynep tufekci‏Verified account @zeynep 21 May 2020

          zeynep tufekci Retweeted HummingAlong

          I know! I research this stuff for a living. I’m asking a very specific question.https://twitter.com/amb567/status/1263638538186350593 …

          zeynep tufekci added,

          HummingAlong @amb567
          Replying to @zeynep
          Incognito mode does not mask your IP
          3 replies 0 retweets 64 likes
          Show this thread
        5. zeynep tufekci‏Verified account @zeynep 21 May 2020

          zeynep tufekci Retweeted topquark

          Facebook aside, Twitter should give every woman an extra 240 characters per tweet to say I research all this for a living and I know all the basic obvious stuff. This makes Twitter unusable—my mentions get overwhelmed by kindergarten level “explaining”. https://twitter.com/topquark/status/126364086562236416 …https://twitter.com/topquark/status/1263640865622364161 …

          zeynep tufekci added,

          topquark @topquark
          Replying to @zeynep
          Facebook tracks you even if you you are logged out or don't have an account. Facebook Pixel is common on many sites
          9 replies 33 retweets 386 likes
          Show this thread
        6. zeynep tufekci‏Verified account @zeynep 21 May 2020

          The most likely explanation is tracking by IP/Wifi. The speed with which it happened suggests some sort of automatic retargeting. I would like to know if this is something they disclose somewhere, or if this is known to advertisers or others? That’s my core question.

          33 replies 15 retweets 175 likes
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        7. End of conversation
        1. David Harrison‏ @trawg 21 May 2020
          Replying to @zeynep

          Have you checked your "off-Facebook activity"? It sometimes can show what stuff is sending data to Facebook: https://www.facebook.com/off_facebook_activity/activity_list …

          0 replies 0 retweets 2 likes
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        2. ZJ Morris‏ @ztopiapub 21 May 2020
          Replying to @reifman @zeynep

          the fingerprint breakdown in this tool is very nice

          0 replies 0 retweets 0 likes
        3. End of conversation
        1. shoshana wodinsky (she/her)‏Verified account @swodinsky 21 May 2020
          Replying to @zeynep

          i covered some of the technical aspects of that ip ingestion in this piece! happy to go more in depth if you wanthttps://gizmodo.com/facebooks-clear-history-tool-doesnt-clear-shit-1841305764 …

          0 replies 0 retweets 1 like
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        1. Jody Shenn‏ @JodyShenn 21 May 2020
          Replying to @zeynep

          This is why you need to pay for T least 7 (seven) IP Wifi routers for your home from separate providers

          0 replies 0 retweets 0 likes
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