At the very beginning, you need to nail your core use case and build the growth machine around the core use case. Then you start the optimization phase and those small optimizations, they're going to compound and you need to make it really at speed. At some point when you feel that you nailed that core use case, you need to build defensibility and defensibility cannot build through those small moves.You really need to make a mode of defensibility. Built a great product with clearly defined broad need that c ...