Simply put, an ICP must be a single market segment :a group of people for whom the value of solving a problem is roughly the same, and who can be reached in roughly the same way. “People who use Excel” is not a market segment, because it says nothing about either the value of their problem or how to reach them. “Marketers who use Excel to build... See more
Say you have 100,000 DAUs and a retention rate of 80%, and for every five users, one of them tells a friend each day to download your app (and they do it). You get 20k new users per day just from word of mouth. In this equation, Xn is the number of DAUs today and Xn+1 is the number of DAUs tomorrow: