It also depends what stage you are at. This article is about early stage products that are very new. If you're looking at a mature product that has been on the

It also depends what stage you are at. This article is about early stage products that are very new. If you're looking at a mature product that has been on the market for 10+ years, it's likely (I hope!) that most of the major obvious pain / complaint points have already been addressed. I don't think CDD would be as useful in that scenario -- you want a different model.