Images from Google Earth are being enrolled in the search for adventurer Steve Fossett.
Many people are scouring up-to-date satellite images of Nevada to try to spot Mr Fossett's downed plane or wreckage.
The project is being co-ordinated via Amazon's human-powered problem solving scheme called the Mechanical Turk.
It comes after a frustrating weekend in which searchers failed to turn up any sign of Mr Fossett.
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