I'm logged in with a reputation of 20.2K. Why should it suddenly think I'm a bot?

  • What page were you on when it asked? Just curious.
    – J.R. Mod
    Feb 12 '18 at 0:31
  • I was replying to this question.
    – Colin Fine
    Feb 12 '18 at 18:24
  • Were you asked for a Captcha after clicking "submit answer"? Answers with too many links always and indiscriminately trigger a Captcha, because it's a common trait in spam posts. Your rep wouldn't have changed it. || I saw the answer, and there are no links, so I think the only possible explanation would be it matching with other properties spam posts have. As to what those are, I have no idea.
    – M.A.R.
    Feb 13 '18 at 7:02
  • It happens to me quite often when using my mobile browser (opera mini). I would just copy my answer, refresh the page, paste and submit it.
    – user178049
    Feb 13 '18 at 11:29
  • 1
    This can happen if you start writing an answer and then, for whatever reason, you abandon it for maybe a couple of hours. When you come back to finish composing the answer, the system will ask if you are "human". Actually, this always happens to me on EL&U when I'm too busy to finish an answer or question and I save it on a tab until the next day.
    – Mari-Lou A
    Feb 17 '18 at 22:33

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