&#62; I thought the entire book could have been written in less than 10 pages.<p>That's true of a <i>lot</i> of business books - even some really good ones.<p>I think the difference, in terms of documentation, is that you're more or less describing "stuff that's useful for us to remember and keep in a specified place", as opposed to "let's document how people work here in detail in order to be able to plug people in".  I think it's certainly a valid idea for many fields; I'm just not sure how or where it's applicable to high tech startups at an early stage: most everything is going into the product itself, which is what's going to grow the company, rather than the systems that surround it, although of course you have to increase efficiency where you can...