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Facebook Will Happily Tell Advertisers Whether You’re Gay

We already knew Facebook was surreptitiously leaking private profile data — including personally identifiable information, including your name and age, as well as other publicly available stats — to at least 25 advertiser and data firms working with third-party apps. But is the company also revealing your sexuality to paying clients?

Different advertising appears to different users, depending on what you list as your sex and what sex you are “interested in.” But many of these ads (whether illicitly or in a sign of “gays go mainstream!” progress) don’t have any indication they are gay-specific, which means users like you are unaware they’re being targeted to you based on your sexuality. When you click on them, however, you do alert advertisers to which way you swing, according to researchers at Microsoft and the Max Plank Institute:

[W]e set up six Facebook pro?les to check the impact of sexual-preference: a highly-sensitive personal attribute. Two pro?les (male control) are for males interested in females, two (female control) for females interested in males, and one test pro?le of a male interested in males and one of a female interested in females. The age and location were set to 25 and Washington D.C. respectively.

[...] Alarmingly, we found ads where the ad text was completely neutral to sexual preference (e.g. for a nursing degree in a medical college in Florida) that was targeted exclusively to gay men. The danger with such ads, unlike the gay bar ad where the target demographic is blatantly obvious, is that the user reading the ad text would have no idea that by clicking it he would reveal to the advertiser both his sexual-preference and a unique identi?er (cookie, IP address, or email address if he signs up on the advertiser’s site). Furthermore, such deceptive ads are not uncommon; indeed exactly half of the 66 ads shown exclusively to gay men (more than 50 times) during our experiment did not mention “gay” anywhere in the ad text.

Which means, writes Christopher Soghoian:

that simply by clicking on a Facebook ad, a user could be revealing a bit of highly sensitive personal information to an advertiser, simply due to the fact that the advertiser has only targeted a particular group (gender, sexuality, religion) for that advertisement. Thus, the moment you arrive at the advertiser’s website, they now know that the IP address and cookie value they have assigned to you is associated with someone that is gay, muslim, or a republican.

How to solve the issue? Either disable such demographic targeting, or alert Facebook users how the ad reached them. But don’t expect to see either option implemented: Most of Facebook’s value to advertisers is its ability to target just about any sub-niche, and the site isn’t exactly known for its transparency. What to do in the meantime if you’re worried about advertisers knowing you’re gay — and storing that information in a vast database, and auctioning off that data in real-time to the highest bidder?

Ignore Facebook ads and don’t click on them. Just like we’ve been doing all along.

[Christopher Soghoian, via]

By:           RYAN TEDDER
On:           Oct 21, 2010
Tagged: , , , ,
  • 9 Comments
    • Marcus M.
      Marcus M.

      I don’t have interested in set on Facebook but I’m surprised how often I go to websites and have Zoosk and other dating site ads show up with the presets already at “male seeking male.” I wonder if its because my cookies have sites like this visited. Kinda freaky.

      Oct 21, 2010 at 10:24 am · @ReplyReply to this comment ·
    • Dionte
      Dionte

      I closed my facebook account weeks ago, I’m not looking back.

      Oct 21, 2010 at 10:44 am · @ReplyReply to this comment ·
    • customartist
      customartist

      This isn’t just about targeted marketing. Oh no! This is also about using this information for the purposes of Political campaigns, and with the Republicans outspending democrats 7-to-1, there is certainly something to be suspicious about.

      The Rich buy this data routinely.

      Currently the HRC determines a Corporate Equality Index which measures treatment of Gay employees, But It Does Not account, as if it were possible, for the amount of Political Contributions to Politicians and Agendas which fight against Gay Rights. We can directly thank the current Supreme Court for handing the will of the people over to big business.

      Oct 21, 2010 at 11:10 am · @ReplyReply to this comment ·
    • PLAYS WELL WITH OTHERS
      PLAYS WELL WITH OTHERS

      You are absolutley nuts if ya have a profile on Facebook…..How do you think the company has a valuation of a kazillion dollars? They sell any and every bit ‘o info they can gleam from each and every profile……….

      [img]http://1.bp.blogspot.com/_UynBjCBqJKI/S4ZYUcH3dpI/AAAAAAAAAOc/4knCq2vCE5Q/s400/Inspector%2BClouseau.jpg[/img]

      Oct 21, 2010 at 11:38 am · @ReplyReply to this comment ·
    • PLAYS WELL WITH OTHERS
      PLAYS WELL WITH OTHERS

      @Marcus M.: You should at the absolute very least once a week clear your cyber trail……..simply go to “tools” then the “internet options” then “browsing history”…

      suggest ya clik all the boxes, gives you a little bit of anonymity……

      Oct 21, 2010 at 1:46 pm · @ReplyReply to this comment ·
    • edgyguy1426
      edgyguy1426

      I use Facebook and have my interests set to ‘Men’ I’m happy not to see those e fucking Harmony ads and only glad to see gay targeted ads on my page. Why would I want to be bombarded with straight travel or dating ads?

      Oct 21, 2010 at 1:47 pm · @ReplyReply to this comment ·
    • egoiste
      egoiste

      Did they test using Incognito windows?

      Oct 21, 2010 at 2:09 pm · @ReplyReply to this comment ·
    • Polyboy
      Polyboy

      Hmph, when the inevitable crackdown comes, the theocrats won’t need police reports or family trees collected in a spurious contest, Facebook will just sell them the information.

      Oct 22, 2010 at 9:37 am · @ReplyReply to this comment ·
    • tavdy79
      tavdy79

      Assuming Facebook operates the same system in the EU as in the US, it could (in theory) find itself hauled up in front of a judge. Under EU law it’s illegal for any organisation to pass on personal information to another organisation without that person’s permission (with certain specific exceptions, such as the police). The relevant legislation varies between the various states, of course, which means the law is stricter in some states than in others. But this is the second time in the last few weeks that I’ve heard of Facebok doing something which could breach EU data protection legislation.

      Oct 22, 2010 at 10:31 am · @ReplyReply to this comment ·

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