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How Github Conquered Google, Microsoft and Everyone Else

CHRIS DIBONA WAS worried everything would end up in one place.

This was a decade ago, before the idea of open source software flipped the tech world upside-down. The open source Linux operating system was already running an enormous number of machines on Wall Street and beyond, proving you can generate big value—and big money—by freely sharing software code with the world at large. But the open source community was still relatively small.