Amazon Mechanical Turk, a service of Amazon.com Inc.

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Examples of the services offered by Amazon Web Services are Amazon Elastic Compute Cloud (Amazon EC2), Amazon Simple Storage Service (Amazon S3), Amazon SimpleDB, Amazon Simple Queue Service (Amazon SQS), Amazon Flexible Payments Service (Amazon FPS), Amazon Mechanical Turk and Amazon CloudFront.

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Amazon Mechanical Turk used to be a popular one, but now a number of independent sites are around, such as Death by CAPTCHA. Clever hacks have even been developed for audio CAPTCHAs that merely deconstruct waveform shapes to identify what numbers are being spoken.

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The search itself is being co-ordinated by a corner of the Amazon empire called Mechanical Turk.

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Powerset was among the earliest users of Intel 8-core processors, as well as an early user of Amazon EC2 cloud computing and Mechanical Turk services.

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