Explore the differences between Open Firmware (OF) and Unified Extensible Firmware Interface (UEFI) in this informative conference talk presented by George Wilson and Nayna Jain at the Linux Plumbers Conference. Delve into the key distinctions between these two firmware interfaces, gaining valuable insights into their respective architectures, functionalities, and implications for system boot processes. Learn about the advantages and challenges associated with each approach, and understand how these differences impact Linux development and compatibility across various hardware platforms.