Amazon Mechanical Turk

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Amazon Mechanical Turk (MTurk) was a crowdsourcing website with which businesses could hire remotely located "crowdworkers" to perform discrete on-demand tasks that computers are currently unable to do as economically. It was operated under Amazon Web Services, and was owned by Amazon. Employers, known as requesters, posted jobs known as Human Intelligence Tasks (HITs), such as identifying specific content in an image or video, writing product descriptions, or answering survey questions. Workers, colloquially known as Turkers or crowdworkers, browsed among existing jobs and completed them in exchange for a fee set by the requester. To place jobs, requesters used an open application programming interface (API), or the more limited MTurk Requester site. As of April 2019, requesters could register from 49 approved countries. It was named after the Mechanical Turk, a chess machine. Amazon closed the service on September 30, 2026 after announcing the intention to do so in August 2026. Users...

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