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  2. CAPTCHA - Wikipedia

    en.wikipedia.org/wiki/Captcha

    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]

  3. From CAPTCHA to catastrophe: How fake verification ... - AOL

    www.aol.com/news/captcha-catastrophe-fake...

    The fake CAPTCHA scam shows how messy the internet’s ad system has become, with everyone involved passing the buck. Guardio Labs points to ad networks like Monetag as a big part of the problem.

  4. 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.

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

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

    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 ...

  6. Lenovo Legion - Wikipedia

    en.wikipedia.org/wiki/Lenovo_Legion

    Lenovo Legion is a line of consumer-oriented laptops, desktop computers, smartphone, and tablet computers designed, developed and marketed by Lenovo, targeting gaming performance. The first Legion brand laptops, the Legion Y520 and the Legion Y720, were revealed at CES 2017 and succeeded the IdeaPad Y series . [ 1 ]

  7. Captchas - Wikipedia

    en.wikipedia.org/?title=Captchas&redirect=no

    What links here; Related changes; Upload file; Special pages; Permanent link; Page information; Cite this page; Get shortened URL; Download QR code

  8. Gaming computer - Wikipedia

    en.wikipedia.org/wiki/Gaming_computer

    A gaming computer, also known as a gaming PC, is a specialized personal computer designed for playing PC games at high standards. They typically differ from mainstream personal computers by using high-performance graphics cards , a high core-count CPU with higher raw performance and higher-performance RAM .

  9. John Langford (computer scientist) - Wikipedia

    en.wikipedia.org/wiki/John_Langford_(computer...

    He is well known for work on the Isomap embedding algorithm, CAPTCHA challenges, Cover Trees for nearest neighbor search, Contextual Bandits (which he coined [2]) for reinforcement learning applications, [3] and learning reductions. [4] John is the author of the blog hunch.net and the principal developer of Vowpal Wabbit.