Questions tagged [captcha]

For questions regarding the site CAPTCHA, an anti-spam device used here to confirm that there is an actual person submitting a post.

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Being asked to type captcha even though I was signed to account

I wonder why stack exchange system (maybe just the android-enthusiast's one) ask you to type captcha even when you are signed to your account. Should being signed be sufficient verification ? How ...
3
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Inconsistent CAPTCHA Behaviour Between Mobile/Desktop

I most often browse the site from my phone. If I answer a question on the mobile site using my phone I never get a CAPTCHA. However if I do so on my desktop (Chrome) than I always get one. What ...