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CAPTCHAs don't prove you're human – they prove you're American (2017)

92 points · 90 comments · theanonymousone

  1. retired · · focus · HN ↗
    -Post removed as rate limiting on HN does not allow me to comment and keep the discussion going-

    Edit: Please stop commenting below as I can't reply anymore

    1. nephihaha · · focus · HN ↗
      Not really in some countries taxis are specific vehicle types and clearly branded. American ones are ordinary cars with slight modifications.
      1. retired · · focus · HN ↗
        And in that case the CAPTCHA would still work, as the vehicles are of the same type and have clear branding.
        1. onion2k · · focus · HN ↗
          Is 'identify all the similar cars?' a valid capcha though? Surely knowing that something is a taxi is the important part of the test, and a good capcha would through in a branded car that isn't a taxi, which non-Americans are far more likely to fail.

          Remember that the goal here is to test that a request isn't coming from a computer, and 'identify all the similar things in these images' is really easy for a computer.

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