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The light inside is broken, but I still work. The Cadillac of online bookmarking sites. Alleged nocoiner. http://pinboard.in  maciej@ceglowski.com +1 415 610 0231

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    1. Pinboard‏ @Pinboard 10 May 2020

      Pinboard Retweeted

      This is exactly the kind of situation where you want public health authorities to have cell phone location data, however coarse-grained it is, to create a list of possible contacts. Note that a bluetooth contact tracing app would be (even more) useless in this case https://twitter.com/samdolnick/status/1259491120188456963 …

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    2. Pinboard‏ @Pinboard 10 May 2020

      The kinds of questions we need to answer are not "did I come within an arbitrary distance of an infected person" with seven layers of cryptowank to make sure nobody learns each other's names, but "who was at or near this venue last Saturday, and how can we reach them?"

      3 replies 8 retweets 28 likes
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    4. Pinboard‏ @Pinboard 10 May 2020
      Replying to @alexstamos

      What's wrong with that? Asking seriously.

      0 replies 0 retweets 0 likes
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    6. zeynep tufekci‏Verified account @zeynep 10 May 2020
      Replying to @alexstamos @Pinboard

      I am here for the arguments about privacy protections, dangers and sunset clauses but 10,000 (one cell tower) sounds much smaller than 10,000,000 (Seoul) to me. (The other question that @pinboard asked that I don't know yet is who has this info anyway without oversight?)

      2 replies 0 retweets 1 like
    7. Nicholas Weaver‏Verified account @ncweaver 10 May 2020
      Replying to @zeynep @alexstamos @Pinboard

      Also, a bluetooth contact tracing, widely deployed, would be better: far more precise than tower dumps for "who was in bar X at time T." But I think South Korea may have more precise info then tower dumps, eg, the Call Center X study said they notified those near based on cell

      2 replies 0 retweets 0 likes
    8. Pinboard‏ @Pinboard 10 May 2020
      Replying to @ncweaver @zeynep @alexstamos

      Bluetooth contact tracing as broadly discussed doesn't tell you anything about who was where when, it only alerts you on proximity data. So it would be much less useful than even the coarsest cell tower data in this kind of situation.

      1 reply 0 retweets 1 like
    9. Nicholas Weaver‏Verified account @ncweaver 10 May 2020
      Replying to @Pinboard @zeynep @alexstamos

      As google and apple are F-ing UP contact tracing in the name of "privacy", yeah. But e.g. the French or UK type approaches would be able to do the analysis necessary to say "who was exposed to this person".

      1 reply 0 retweets 0 likes
      Pinboard‏ @Pinboard 10 May 2020
      Replying to @ncweaver @zeynep @alexstamos

      Ah, I see. Yeah, I'm fine with anything that gives a global view into the data, and ties it to location. I don't think coarse-grained is nearly the problem people make it out to be, but see zero harm in nerding out to make the data more high-res

      2:36 PM - 10 May 2020
      1 reply 0 retweets 0 likes
        1. Nicholas Weaver‏Verified account @ncweaver 10 May 2020
          Replying to @Pinboard @zeynep @alexstamos

          The real frustrating thing, you can do the global view WITH distributed storage. Just allow the app to record location, and allow the app on a hit to report back to the health department.

          0 replies 0 retweets 1 like
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