I believe that everyone has done such a problem when they were young: a cistern has an inlet pipe and an outlet pipe; given the speed of the Whatsapp Database water flow at the inlet and outlet, find the amount of water in the cistern after a period of time. This is very similar to evaluating the effect of user growth. The water inlet is compared to Whatsapp Database attracting new customers, the water outlet is compared to the loss of customers, and the water storage capacity after a period of time is the retention capacity of growth.
After entering the second half of the Internet, Whatsapp Database the increase in the total number of users has been difficult to break through, and the cost of attracting new users has also increased a lot; under this trend, the importance of retention is becoming Whatsapp Database more and more significant. 1. What is retention 1. Definition of Retention In the Internet industry, users often recognize and use new products through advertising, recommendation and other communication channels, and some users will no longer use these products for various reasons.
We define users who use products for the Whatsapp Database first time as new users, and users who are still using these products after a period of time are called retained users. Retention is calculated based on the initial behavior time of a certain user Whatsapp Database group. It describes the cohort where a certain behavior occurs and whether the desired behavior occurs after a period of time; the initial/return visit behavior here can be any event, if Unless otherwise specified, generally refers to "startup products".