Dive into a keynote address from JuliaCon 2021 featuring Soumith Chintala, co-creator of PyTorch and researcher at Facebook AI Research. Explore the journey of PyTorch, from its inception to its current status as a leading deep learning framework. Gain insights into the implementation, principles, and ecosystem of PyTorch, as well as its community and funding structure. Learn about the philosophy behind this open-source project, its user and technology-centric approach, and the challenges faced during the migration from Torch to PyTorch. Discover how PyTorch interacts with other communities, manages scope and risk, and approaches measurement and scaling. The talk concludes with a Q&A session addressing the future of TorchScript and potential front-end languages for PyTorch beyond Python.