This was an interesting read in particular to contrast with other startup letters. The focus in the first point on sales and other roles is interesting because

This was an interesting read in particular to contrast with other startup letters. The focus in the first point on sales and other roles is interesting because I've noticed before these posts focusing on the product (such as http://playbook.samaltman.com/ http://playbook.samaltman.com/). The idea that the sales and business will come naturally seems to stem from this kind of advice. It's clear that there needs to be some kind of balance that is usually not talked about.