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  2. 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 ...

  3. CAPTCHA - Wikipedia

    en.wikipedia.org/wiki/Captcha

    The retail price for solving one million CAPTCHAs was as low as $1,000. [44] Another technique consists of using a script to re-post the target site's CAPTCHA as a CAPTCHA to the attacker's site, which unsuspecting humans visit and solve within a short while for the script to use. [45] [46]

  4. List of largest companies by revenue - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_companies...

    This list comprises the world's largest companies by consolidated revenue, according to the Fortune Global 500 2024 rankings and other sources. [2] American retail corporation Walmart has been the world's largest company by revenue since 2014. [1] The list is limited to the largest 50 companies, all of which have annual revenues exceeding US ...

  5. List of most-visited websites - Wikipedia

    en.wikipedia.org/wiki/List_of_most-visited_websites

    Zen News: dzen.ru: 20 ()2 65 () News & Media Publishers Zen News Russia Live: live.com: 21 ()1 24 () Email Microsoft United States Naver: naver.com: 22 ()1 23 () News & Media Publishers Naver Corporation South Korea Microsoft Online: microsoftonline.com: 23 ()2 28 () Programming and Developer Software Microsoft United States Office: office.com ...

  6. List of crowdsourcing projects - Wikipedia

    en.wikipedia.org/wiki/List_of_crowdsourcing_projects

    M Barrie, the CEO, claims the company is the largest outsourcing site in the world, receiving more global traffic than competitor elance. The site has 1.5 million users in 234 countries and the average job size is under $200 and it projects a US$50 million in project turnover in the next 12 months. The site takes a 10 percent cut on work allocated.

  7. List of social platforms with at least 100 million active users

    en.wikipedia.org/wiki/List_of_social_platforms...

    1. Facebook. Meta Platforms. United States. 2004. 3.070 billion [1][2] 2.11 billion daily active users [1] 2. YouTube.

  8. Max Levchin - Wikipedia

    en.wikipedia.org/wiki/Max_Levchin

    Maksymilian Rafailovych " Max " Levchin[a] (born July 11, 1975) is a software engineer and businessman. In 1998, he co-founded the company that eventually became PayPal. Levchin made contributions to PayPal's anti-fraud efforts [1] and was the co-creator of the Gausebeck-Levchin test, one of the first commercial implementations of a CAPTCHA ...

  9. Who is the richest person in the world? See net worths of ...

    www.aol.com/richest-person-world-see-net...

    Elon Musk is the richest person in the world with an approximate net worth of $222 billion as of early August. Musk is the founder of SpaceX and The Boring Company and co-founder of PayPal and ...