Explore the evolution of open source practices at Facebook in this OSCON 2014 conference talk. Discover how the company rebooted its open source portfolio, implemented unique internal tools and instrumentation, and fostered a culture of responsible stewardship. Learn about scaling open source efforts, leveraging GitHub, establishing project ownership, and launching new projects. Gain insights into Facebook's approach to community interaction, external contributions, and progress metrics. Understand the benefits of open source for large organizations and how to create a thriving open source ecosystem within a fast-paced, hacker-driven culture.