> I am not sure it generalizes I guess the marketing best practices they ignore wouldn't be best practices if it did :) Still, it's nice to see that the model

> I am not sure it generalizes I guess the marketing best practices they ignore wouldn't be best practices if it did :) Still, it's nice to see that the model can work. As a happy customer, I'm pleased to see that the model is sustainable. When a product decides to stick to word-of-mouth alone, incentives are very aligned for them to make the user experience good enough to tell other people about (as I have).