Talk with go through lessons learned using Nix in last two years to automate software distribution. What are the common technical and process obstacles using Nix to ship software in production - mean that customers depend on the pipeline. What supportive tools and Nix features were used, what Nix features aren't useful, where do I see improvements are needed. What do I see as something that will boost Nix usage in companies and what's my plan to get there.