Imagine building a house without drawings or specifications, instead relying on various trades- people to use their experience to build what we have in mind. They’ve all done this before, so there is no need for a plan, really. Of course, this will sound extremely silly to anyone who has ever built a house, as well as to most of you who haven’t. The place would simply be unlivable. Nevertheless, this is exactly how outsourcing contracts are usually constructed.