The more specific the symptoms are, the easier it will be for everyone to recognize when it’s time to schedule a Five Whys meeting. - Eric Ries

The rules that govern the sticky engine of growth are pretty simple: if the rate of new customer acquisition exceeds the churn rate, the product will grow. The speed of growth is determined by what I call the rate of compounding, which is simply the natural growth rate minus the churn rate.

It goes against the grain of what people have been taught in business and what leaders have been taught. The problem isn’t with the teams or the entrepreneurs. They love the chance to quickly get their baby out into the market. They love the chance to have the customer vote instead of the suits voting. The real issue is with the leaders and the middle managers. There are many business leaders who have been successful because of analysis. They think they’re analysts, and their job is to do great planning and analyzing and have a plan.

Product managers figure out what features are likely to please customers; product designers then figure out how those features should look and feel.