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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.

3. Proof of identity (blockchain consensus) - Wikipedia

   en.wikipedia.org/wiki/Proof_of_identity_(block...

   Proof of investment blockchains are thus prone to the formation of oligarchies and marginally appeal to small investors/holders who receive minimal rewards. [3] In the case of proof of work, there are additional sustainability concerns over the amount of electrical energy wasted as proof. [4] [5]

4. 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 ...

5. Amazon Mechanical Turk - Wikipedia

   en.wikipedia.org/wiki/Amazon_Mechanical_Turk

   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.

6. Work-at-home scheme - Wikipedia

   en.wikipedia.org/wiki/Work-at-home_scheme

   This is an accepted version of this page This is the latest accepted revision, reviewed on 30 November 2024. Scams focused on businesses run from one's home Not to be confused with Remote work, a legitimate working arrangement. The examples and perspective in this article deal primarily with the United States and do not represent a worldwide view of the subject. You may improve this article ...

7. Which companies have the most employees on H-1B visas? - AOL

   www.aol.com/companies-most-employees-h-1b...

   In helping instigate a heated debate over H-1B visas, Elon Musk is speaking both from personal experience and as a business owner.That's because his company, electric car maker Tesla, is among the ...