Build-measure-learn feedback loop

…then once we have figured those things out, that's where the techniques of Lean Startup come into - things like the pivot, changing the strategy without having to change the vision, things like the build-measure-learn feedback loop, trying to understand the fundamental cycle time that powers innovation, and maybe most famously, the minimum viable product, that initial experiment that we do to quickly, easily, and inexpensively discover the truth…