The text discusses notable sessions at two major WebOps/DevOps events, Velocity and DevOpsDays. J. Paul Reede's talk "Is Your Team Instrument Rated (or: Deploying 125,000 times a day)" highlighted key lessons from the US national airspace system to build robust operational frameworks in DevOps. Brendan Gregg's presentation at Velocity emphasized performance monitoring and eliminating guesswork through workload characterization, USE methodology, and thread-state analysis. Adam Lazur from Facebook discussed their new load balancing architecture for handling over a billion users globally, focusing on the role of Cartographer in dynamically configuring DNS servers.