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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 ...
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 ...
Amazon Mechanical Turk (MTurk) is a crowdsourcing website with which businesses can hire remotely located "crowdworkers" to perform discrete on-demand tasks that computers are currently unable to do as economically. It is operated under Amazon Web Services, and is owned by Amazon. [1] Employers, known as requesters, post jobs known as Human ...
9. Conduent. Conduent is an IT and services company with a near-constant need for data entry work. Right now, Conduent is hiring remote data entry operators at $13.50 an hour, with the ability to ...
81. Hold a Garage Sale. If you have an abundance of items you no longer want or need, make money fast by holding a garage sale. While you can price gently used or high-quality items at 30% to 35% ...
Luis von Ahn (Spanish: [ˈlwis fon ˈan]; born 19 August 1978) is a Guatemalan entrepreneur, software developer, and consulting professor in the Computer Science Department at Carnegie Mellon University in Pittsburgh, Pennsylvania. [2][3][4][5][6] He is known as one of the pioneers of crowdsourcing. He is the founder of the company reCAPTCHA ...