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    Kieran Healy

    kieranhealy.org · Personal blog · on HN since 2011

    Kieran Healy, a sociologist, writes about data analysis, visualization, plain-text workflows, and social science.

    Visit blogRSSHN submissions
    Data & VisualizationPrivacy & PolicyScience
    What HN says

    HN commenters often link his Paul Revere metadata post as a clear demonstration of how revealing metadata is, and as a good accessible tutorial.

    Stats for nerds
    112HN people shared it
    73linked in comments
    1.5Kstory points
    Aug 2026last shared
    2013people per year2026

    Top posts on HN

    1. 1
      Using Metadata to Find Paul Revere
      34 people · 503 points · first shared 2013 · 73 comments on HN
    2. 2
      The Eclipse via Satellite
      1 person · 175 points · first shared 2024 · 17 comments on HN
    3. 3
      Excess Deaths in 2020
      1 person · 157 points · first shared 2021 · 209 comments on HN
    4. 4
      A Sociology of Steve Jobs (2011)
      4 people · 156 points · first shared 2011 · 28 comments on HN
    5. 5
      Fuck Nuance [pdf]
      9 people · 138 points · first shared 2015 · 68 comments on HN
    6. 6
      Making Slides
      1 person · 114 points · first shared 2018 · 13 comments on HN
    7. 7
      Siri in practice
      1 person · 70 points · first shared 2011 · 46 comments on HN
    8. 8
      The Plain Person’s Guide to Plain Text Social Science [pdf]
      1 person · 41 points · first shared 2016 · 5 comments on HN
    9. 9
      Walled Garden
      1 person · 19 points · first shared 2016 · 6 comments on HN
    10. 10
      'American'
      3 people · 17 points · first shared 2025 · Discussion on HN

    What HN people wrote when they linked it

    • sonnyblarneyAug 2018

      "individual liberty and personal responsibility (e.g., leave me alone, i'll leave you alone) "

      Those are not conservative values, those are libertarian values, we might call them 'liberal' in the rest of the world (well, kind of, using that phraseology like 'leave me alone, i leave you alone' is kind of a American colloquial/populist or crude way of expressing it - in fact it doesn't describe classical Liberalism very well at all, but nevertheless someone with that ethos would definitely fall under this camp, and not Conservatism)

      Classically Conservative 'values' (though not necessarily politics) are more: family, community, responsibility towards community, faith, tradition, duty etc..

      Conservative and Libertarian values clash distinctly in the are of 'community' - one is individualist, one is instinctively though often not obviously community oriented.

      'Duty' is generally a conservative concept you don't hear much in the Libertarian leaning crowd.

      But it's moot as far as this article is concerned: The data in this article is highly problematic due to the fact that most newcomers move to the cities, and so it entirely skews the data.

      It's not an argument of 'disperse vs. dense' - it's really just a proxy for ethnography.

      From the link in the comment above [1]: "population density and percent black will do a lot to obliterate many a suggestively-patterned map of the United States. Those two variables aren’t explanations of anything in isolation, but if it turns out…

    • asoplataJun 2016

      Have you tried Pandoc[0]? It's the best, simplest solution I've been able to find for writing content in Markdown, and then almost trivially exporting that same content into PDF manuscripts, or PDF presentations, or HTML presentations, or more, without having to change the source content. It seems to be increasingly popular in academia for handling class notes/slides/papers all in one go. It can have good citation processing with cite-proc [1]. One of my favorite things about it is, if you know you're just going to be exporting to a specific filetype like HTML or LaTeX, you can just plain throw in code for that language directly into the Markdown, and Pandoc will run/include it.

      (shameless plug alert) I wrote a super-simple Makefile script for using Pandoc, called acadoc [2]. It lets you call "make beamer", "make manuscript", "make html_presentation", etc., in a directory with Markdown files to turn them all into whatever presentation/manuscript/paper/etc. you want. The key thing, though, is that for LaTeX presentations/etc. it uses an intermediary "style/manuscript.tex" file to customize how you want your resulting LaTeX to look -- so if you want the same content, but decide the presentation looks better with white-on-black instead of black-on-white, you only need make a few changes and create a "style/manuscript_dark.tex", copy-paste that style in the Makefile, and now you can call "make manuscript_dark". It's meant to be quick and easy to use, and theoretically easy to…

    • rbehrendsApr 2015

      I have to say, the underlying paper scares me a bit. It seems to be pretty heavy on research politics, driven by a very limited study, and the authors do not even seem to grasp the mechanics that underlie the generation of computer documents very well.

      Example: "In all other cases, we think that scholarly journals should request authors to submit their documents in Word or PDF format. We believe that this would be a good policy for two reasons. First, we think that the appearance of the text is secondary to the scientific merit of an article and its impact to the field. And, second, preventing researchers from producing documents in LaTeX would save time and money to maximize the benefit of research and development for both the research team and the public."

      I am honestly not sure how they think accepting papers in PDF format would prevent researchers "from producing documents in LaTeX". Do they really not know that not only can you generate PDF from LaTeX, but that that is what is commonly being done?

      Second, do they really not understand that there are options other than Word or LaTeX? I know of quite a few people who use Pandoc (Markdown + some inline LaTeX for when you need equations/references) [1]. Others use a non-Word word processor (e.g. because they're running on Linux). Others again use LyX. This casts doubt upon their ability to make policy recommendations when their understanding of the available toolset is incomplete.

      Third, the study seems to be awfully…

    • sfRattanMar 2017

      It's very reductive to claim that only addresses, bank account [numbers], and SSNs could be dangerous if leaked.

      What about people who discuss private matters in chat? (e.g. sexuality, medical history, drug use, etc.) Yes, we know that's a bad idea, but most people aren't HN readers.

      What about state actors using Facebook's metadata alone to quash democratic movements before they get off the ground?[1] To advertisers, most of the social graph is available only in a semi-abstracted form (e.g. target X, Y, and Z qualities and degrees of connection). A leak or sale could make that information available directly.

      What about criminals using a public leak of location data and some predictive algorithms to strategically rob homes? (and maybe also using patterns of likes and connections to predict whose home is worth burgling?)

      Really, to say that the valuable part of Facebook is already freely available brings to mind the words "limited imagination." Facebook keeps the valuable part to itself and meters even limited access to it. And there is extensive danger with the possibility of a leak or sale of the raw data.

      [1]: https://kieranhealy.org/blog/archives/2013/06/09/using-metadata-to-find-paul-revere/

    • LammyMay 2021

      Sure, let’s see: https://www.blog.google/documents/57/Overview_of_COVID-19_Contact_Tracing_Using_BLE.pdf

      Right away I notice the glaring omission of “the surveillance state” in the wording of certain sentences like “People who test positive are not identified to other users, Google or Apple“.

      “With Bob’s consent, his phone uploads the last 14 days of keys for his broadcast beacons to the cloud”, also giving away his geolocation in the process. My read of the “doesn’t collect location data” is “doesn’t explicitly collect location data”, like just because it doesn’t send a field ‘geolocation’ they can technically say that and not be lying. You should check out one of my very favorite blog posts of all time: https://kieranhealy.org/blog/archives/2013/06/09/using-metadata-to-find-paul-revere/

    • rainforestJun 2014

      Playing devil's advocate a little, the value in the data from an intelligence perspective is probably in the network it uncovers. If you know a circle of people are regularly exchanging encrypted messages, then you can try to target one member and get them to compromise the group by turning them into an informant. Similarly, if you suspect someone, you can look at their records to discover the networks of potential conspirators, then fan-out for each member until you have a big picture of interactions between different networks.

      There's a great example of exploiting simple person-person interaction graphs to generate this information here: http://kieranhealy.org/blog/archives/2013/06/09/using-metadata-to-find-paul-revere

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