Uncertainty, uncertainty everywhere You know what's the most common error people make when trying to embrace DDD? They tend to focus on DDD's specific DSL (terminology, composition) - entities, boundaries, aggregate roots, etc. because they think that this particular modeling model (OMG, recurrence detected, stack overflow comin' ...) is a game changer. But it isn't. It's useful (it's an ubiquitous language for modelers :)) & makes co-operation easier, but what's really important is joint domain crunching between domain experts ("business") & modelers ("IT") TOGETHER. Even having DDD tools in your hand you still can't assume that domain expert(…