… sometimes they’re popular because they’re easy.

  1. Sorry, everyone, I just couldn't resist.
  2. Sorry, women, but as I see it it doesn't cut the other way.

However, in all seriousness, there’s a lot of stuff that you have to do beyond what’s in the Scrum literature if you want to be really successful. I freely grant that a clear understanding of obstacles, and working to remove them, will pretty much get you there. Or you could pick up a book on Extreme Programming …