Retention

While we spend so much time and effort in helping customers discover and engage with our products, the effort would be a waste if, for any reason, they were not loyal to the product and we were not able to retain them as customers for a prolonged period of time. Loyalty over time is a great measure of the overall success of our product, and that is why customer retention is a key product metric that all types of products must track.

The following illustration shows the retention metrics we'll learn about in the following section.