The number of customers who cancel your service or stop buying your products over a set period of time. 

You can calculate your churn rate by taking the number of cancellations over a specific period and dividing it by the total num...

It’s easy to measure financial success. You can see a number in your bank account and compare it to others’ bank accounts.

But many important things for a satisfying life, like mental and physical health, relationships, freedom, and fulfillment are harder to measure. Nevertheless, you shoul...

At FAANG-size companies (i.e. over 5K employees), compensation is heavily formulaic. In fact, there is often a separate team — the “compensation committee” — who sets your salary. They take into account your background, interview performance, and level. They give the recruiter a number to go with...