In the course we'll go through how to design such a system.

The engine starts at the enter of the circle - must first focus on a system of compounding loops in the inputs. Then move to the growth process - hypothesis driven experiments that drive to the truth of growth and retention.

Must drive towards the truth of how the model works.

Everything then comes together to accrue value and produce defensibility.

All of these key lessons and concepts can be applied to the product or a feature.