I usually say that application development (mobile and otherwise) is a solved problem but once you go to any kind of scale, you run into all of these operational issues which keep things interesting.

A good summary of Grove’s High Output Management and a strong argument to read it: “To paraphrase the book, the job of an executive is: to define and enforce culture and values for their whole organization, and to ratify good decisions.”

A concretized framework for making better product decisions by Laura Klein that comes down to: get together, write things down, review things, course correct when required.