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  2. CAPTCHA - Wikipedia

    en.wikipedia.org/wiki/Captcha

    The purpose of CAPTCHAs is to prevent spam on websites, such as promotion spam, registration spam, and data scraping. Many websites use CAPTCHA effectively to prevent bot raiding. CAPTCHAs are designed so that humans can complete them, while most robots cannot. [14] Newer CAPTCHAs look at the user's behaviour on the internet, to prove that they ...

  3. reCAPTCHA - Wikipedia

    en.wikipedia.org/wiki/ReCAPTCHA

    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. Version 2 also asked users to decipher text or match images if the analysis of cookies and canvas rendering suggested the page ...

  4. Fix issues with AOL Mail image challenges - AOL Help

    help.aol.com/articles/what-should-i-do-if-i-get...

    Call live aol support at. 1-800-358-4860. Get live expert help with your AOL needs—from email and passwords, technical questions, mobile email and more. Fix issues with AOL Mail image challenges. AOL Mail uses many security measures to keep your account secure, one of which is CAPTCHA or image challenges when sending mail.

  5. Reverse Turing test - Wikipedia

    en.wikipedia.org/wiki/Reverse_Turing_test

    The term "reverse Turing test" has also been applied to a Turing test (test of humanity) that is administered by a computer. In other words, a computer administers a test to determine if the subject is or is not human. Such procedures, called CAPTCHAs, are used in some anti- spam systems to prevent automated bulk use of communications systems.

  6. Recognize a hacked AOL Mail account

    help.aol.com/articles/recognize-a-hacked-aol...

    If you think your account has been compromised, follow the steps listed below to secure it. 1. Change your password immediately. 2. Delete app passwords you don’t recognize. 3. Revert your mail settings if they were changed. 4. Ensure you have antivirus software installed and updated.

  7. TypeRacer - Wikipedia

    en.wikipedia.org/wiki/TypeRacer

    TypeRacer restricts the use of cheats with measures such as keystroke replays and a captcha anticheat [14] that requires users who achieve over 100 wpm in a race to complete a CAPTCHA. When completed successfully, if high-scoring players achieve a score that is 25% higher than their recorded CAPTCHA speed, an additional challenge-response test ...

  8. Turing test - Wikipedia

    en.wikipedia.org/wiki/Turing_test

    The interrogator is limited to using the responses to written questions to make the determination. [1] The Turing test, originally called the imitation game by Alan Turing in 1950, [2] is a test of a machine's ability to exhibit intelligent behaviour equivalent to, or indistinguishable from, that of a human.

  9. 8 Things You Didn't Know About Your Penis - WebMD

    www.webmd.com/men/8-things-you-did-not-know...

    Sensitivity, pleasure, size, and other surprising facts. Medically Reviewed by Brunilda Nazario, MD on November 15, 2023. Written by Martin Downs, MPH. 1. Use It or Lose It. 2. Your Penis May Be a ...