I only made it 1/4 of the way through the book. I found it sort of boring.

However, the idea of customer driven development is a good concept to understand. One idea from this methodology is that you should start charging some customers as soon as you have a product. That way you'll find out what users really can't live without. No one seems to do this these days.

And it's the #69 book (not business book, book) on Amazon.com as of 11:15 AM PDT and climbing fast (it was #115 at 11). More proof of the well-deserved influence Marc already has.

Update: four hours later, it's #48.

"And he's just written and published a book..."

It was published in 2005 -- that's what amazon says. Here it says it was published in 2006: http://www.cafepress.com/kandsranch.58024175

Also at cafepress it 29.99 and at amazon 39.99. A bug at Amazon?