Interesting question:

“In 2009, mathematician Timothy Gowers posed this question to the blogosphere: “Is massively collaborative mathematics possible?” He described an unsolved math problem and asked for help figuring it out. Over the next few hours and days, commenters began to pick at the problem together. They brought up incomplete ideas, which were expanded and incorporated into other peoples’ ideas, until Gowers posted 37 days later that the problem had (probably) been solved.”

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