Yes and no. Having design N written up decently might make designing N+1 easier / faster. I also agree with the article that readme-driven-development can mak

Yes and no. Having design N written up decently might make designing N+1 easier / faster. I also agree with the article that readme-driven-development can make dev (of N) smoother. I've found the hardest thing is really deciding what to build. And figuring that out can be helped by writing a lot of docs early. [edit: or prototyping, of course, but they aren't mutually exclusive and depending on how you divide roles that might not be an option]