I think this advice matches up really well to one of the things you say in your "5 Founders" essay about Paul Buchheit: "PB made a point in a talk once that I

I think this advice matches up really well to one of the things you say in your "5 Founders" essay about Paul Buchheit: "PB made a point in a talk once that I now mention to every startup we fund: that it's better, initially, to make a small number of users really love you than a large number kind of like you."