This talk will uncover for the first time the true origin of ‘Extended Berkley Packet Filter’. It would be fascinating for aspiring and expert open source developers to discover BPF’s path into one of the most sophisticated and challenging parts of software stack. Innovating in the large projects like GCC, LLVM, Linux Kernel is challenging. The story of BPF is an example and a call to challenge what’s possible. Its past is a clear vision of what’s coming next.