At this point, you know all the steps necessary to analyze churn and to design great customer metrics. Those metrics will allow businesspeople to make targeted interventions that should reduce the churn on their product. And those things are the most important for most products, so that’s why the techniques beginning in this chapter (part 3 of the book) can be considered to be special or extra tactics: you can use them if you need to, but they are not always necessary. The most important thing in fighting churn is that the business should make data-driven decisions when segmenting customers and making targeted interventions.