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How open source changed everything — again

We’re about to conclude another decade of open source, and what a long, strange trip it has been. Reading back through predictions made in 2009, no one had the foggiest clue that GitHub would change software development forever (and for everyone), or that Microsoft would go from open source pariah to the world’s largest contributor, or a host of other dramatic changes that became the new normal during a decade that was anything but normal.

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