> You can really only define things rigidly if you want to make much in the way of guarantees. Any system held together by conventions can have those convention

> You can really only define things rigidly if you want to make much in the way of guarantees. Any system held together by conventions can have those conventions violated and this is a harrowing sign of things to come. The problem with this is that most new protocols (or APIs as they're popularly known now) are built by startups aiming for rapid growth. Writing an RFC for the underlying protocol of the newfangled dating app you're building is counterproductive if you don't know the company will exist six months later.