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

92 points · 90 comments · theanonymousone

  1. swiftcoder · · focus · HN ↗
    Even as someone who lived a long time in the US, I've failed a bunch of these on unclear definitions.

    When you say "stoplights", is that just the lights themselves, or also the poles that support them? Is a tile that contains 1/3 of a bike wheel "bicycle" or "not bicycle"? Is a coach also considered a bus?

    1. lemagedurage · · focus · HN ↗
      Being pedantic about the captcha is the less-human thing to do here.
      1. swiftcoder · · focus · HN ↗
        I think I'm failing the captcha by not being sufficiently pedantic. It genuinely never occurred to me that a coach might not be considered a bus by the algorithm (where "algorithm" is presumably "distilled responses of many thousands of other humans")
      2. kruffalon · · focus · HN ↗
        Ha! I guess I'm less human than expected, and finally I understand why I've failed sooooo many CAPTCHAs over the years :)

        Thanks, I really never knew!

      3. agons · · focus · HN ↗
        This comment doesn't help the pedant
      4. skissane · · focus · HN ↗
        I actually found I had more success with reCAPTCHA when I made myself think less about what the answer was.

        I also learned this trick that a lot of the questions have a standard number of answers – e.g. there are always three buses, or fire hydrants, or whatever – so once I've picked three, I'm done. (There often is a fourth ambiguous case, which it accepts but doesn't require.)

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