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AOL Mail uses many security measures to keep your account secure, one of which is CAPTCHA or image challenges when sending mail. These challenges exist to make it harder for hackers to access your accounts. The characters can't be read by a computer and must be entered manually, ensuring only a real person can pass the test. Why am I being ...
Discord is an instant messaging and VoIP social platform which allows communication through voice calls, video calls, text messaging, and media.Communication can be private or take place in virtual communities called "servers".
This CAPTCHA (reCAPTCHA v1) of "smwm" obscures its message from computer interpretation by twisting the letters and adding a slight background color gradient. A CAPTCHA (/ ˈ k æ p. tʃ ə / KAP-chə) is a type of challenge–response test used in computing to determine whether the user is human in order to deter bot attacks and spam. [1]
reCAPTCHA Inc. [1] is a CAPTCHA system owned by Google.It enables web hosts to distinguish between human and automated access to websites. The original version asked users to decipher hard-to-read text or match images.
The {{Failed verification}} tag is used when an editor tried to verify the information in an article with its sources, but failed to do so. The tag will categorise articles into Category:All articles with failed verification. This template is a self-reference and thus is part of the Wikipedia project rather than the encyclopedic content. This ...
If the user answers the KNOWN word incorrectly, they fail the captcha. However, if the known word is typed correctly, the user passes the captcha regardless, and the ansswer to the unknown word is passed to the captcha service for evaluation as a possible solution (explained in the article as a points based evaluation).
The other CAPTCHA rely on a finite supply of manually generated images that must be manually labeled, thus straining the “Completely Automated” aspect of the CAPTCHA definition. On a side note I am moving the mention of reCAPTCHA out of the image-recognition section and placing it in the computer character recognition section.
Here's a related "side question": how come other popular online services like Discord, Facebook, Reddit, etc aren't overly infested with people who spam, attack, or otherwise make malicious posts on the site everyday?