I hate biographies which say, I was called to such and such an office, and he offered me so and so, and I got so and so money. I find that very tedious. The best biographies are written by other people.
I think then, when we started receiving the first of the user feedback, feedback from people that I had not specifically told about it, but had spread from friend to friend and then they were giving us feedback.
You apply the skills you use to produce your own book to make an anthology. Shaping. Rhythm.