How to build Apps

The ‘Facebook Class’ Built Apps, and Fortunes -

The students ended up getting millions of users for free apps that they designed to run on Facebook. And, as advertising rolled in, some of those students started making far more money than their professors.
They had stumbled upon one of the themes of the class: make things simple, and perfect them later.

`Keep things simple, and perfect them later,` but don't you need perfection to some extent not to bum out your users?