I always point people to the article '1,000 True Fans' by Kevin Kelly. If you choose your thousand ideal customers or readers properly and find the single author blog that targets that audience, you never have to do any more marketing. You're done. That is a lesson that very few product developers and marketers have learned, and it's unfortunate.
Tim FerrissPeople frequently fail when they try to do everything at once. They approach a massive project and quickly get discouraged. Taking small, but high-value steps takes less time, and you learn more in the long run.
Tim Ferriss