Great article: "The Tyranny of the Marginal User - why consumer #software gets worse, not better, over time" https://nothinghuman.substack.com/p/the-tyranny-of-the-marginal-user "your business relies on network effects and even low value users can help you build a moat. So the north star metric for designers and engineers is typically something like Daily Active Users, or DAUs for short: the number of users who log into your app in a 24 hour period. ...in practice, the design of popular #apps caters almost entirely to the marginal user."