There’s lots and lots and lots of case studies and tutorials and SDKs and best practices that help you build and design systems from scratch. But not so many about iterating at scale. This talk covers building out a light weight system able to handle millions of consumers from client to server. What are the considerations of scale and the choices you have to make when you are already operating at a level where integrating other solutions is expensive? How do you manage negotiating features with your non-iOS engineer colleagues? How do you go determine MVP vs MaxVP? How do you measure success?