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They found that the crowd assembled around Innocentive was able to solve forty-nine of them, for a success rate of nearly 30 percent. They also found that people whose expertise was far away from the apparent domain of the problem were more likely to submit winning solutions. In other words, it seemed to actually help a solver to be ‘marginal’—to have education, training, and experience that were not obviously relevant for the problem. Jeppesen and Lakhani provide vivid examples of this: [There were] different winning solutions to the same scientific challenge of identifying a food-grade polymer delivery system by an aerospace physicist, a small agribusiness owner, a transdermal drug delivery specialist, and an industrial scientist. . . . All four submissions successfully achieved the required challenge objectives with differing scientific mechanisms. . . . [Another case involved] an R&D lab that, even after consulting with internal and external specialists, did not understand the toxicological significance of a particular pathology that had been observed in an ongoing research program. . . . It was eventually solved, using methods common in her field, by a scientist with a Ph.D. in protein crystallography who would not normally be exposed to toxicology problems or solve such problems on a routine basis.
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Erik Brynjolfsson (The Second Machine Age: Work, Progress, and Prosperity in a Time of Brilliant Technologies)