TPIRman writes "In 1994, a physics doctoral student named Dave Ring assembled more than 100 math and puzzle enthusiasts on Usenet for what became one of the earliest online 'crowdsourcing' projects. Their goal: to determine if every hand in Windows' FreeCell solitaire game was in fact winnable, as the program's help file implied. Their efforts soon focused in on one incredibly stubborn hand: #11,982. They couldn't beat it, but in the process of trying, they proved the viability of an idea that would later be refined with crowdsourcing models like Amazon's Mechanical Turk."
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