Powerset Testing Search Results At Mechanical Turk  —  A reader noticed that stealth search engine Powerset is using Amazon’s Mechanical Turk service to gauge user reactions to search results.  —  See the screen shot (click for larger view) - users are shown a query and a number of results …

Source:   TechCrunch

Author:   Michael Arrington

Link:   http://www.techcrunch.com/2007/10/21/powerset-testing…