They never really said how they manage this, or whether they wrote it down. What ways of keeping people on the same page are most effective?
Having a bunch of awesome people increases the likelihood of it happening...
It is easy to label someone as awesome after coming out on the good side of a rough patch. It is much harder to be comfortable in that label when sizing up a potential co-founder.
The question is whether the assumption holds :)
The book is a great read - amazing how well they've institutionalized the idea of a company culture and methos for holding onto it as they grow.