I wanted to understand if Captcha, computer security codes to distinguish between humans and bots, often happen to me in this period when I have to add an answer on the site TeX.SE.

In the last week I had to run at least ten: buses, pedestrian crossings, traffic lights, bicycles, houses, shops. I am wondering if all this is natural in my case. Thank you for your cooperation.

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    I honestly cannot remember when i have seen a captcha. Are you logging in from some kind of internet café? – Johannes_B Jan 8 at 17:16
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    I had to solve a few captures recently when I was writing a long answer here on Meta while I was having trouble with my internet connection. – moewe Jan 8 at 17:16
  • @Johannes_B No, from my home. I do them all right, and I get more like mushrooms. – Sebastiano Jan 8 at 17:18
  • It happens to me sometimes when I login from a new device or after having done a logout. – CarLaTeX Jan 8 at 17:50
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    Avoid known triggers such as shared IP, for example in big companies, schools, universities, vpn connections, posting too fast (for example when composing the post in an external editor and c&p into tex.se), code only answers (?).... In praxis I find it also much faster to close the captcha and simply repost. – samcarter Jan 8 at 18:17
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    Captcha wants to find out if it deals with humans. How about marmots? ;-) – marmot Jan 8 at 18:46
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    @marmot And ducks? – CarLaTeX Jan 8 at 19:16
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    Marmots and ducks are protected species, like pandas. :) That's why there are no captcha species :-). I assume that marmots and ducks (I had one called "Tweety") have human features :-) – Sebastiano Jan 8 at 20:39

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