أنشئ حسابًا أو سجّل الدخول للانضمام إلى مجتمعك المهني.
One of the benefit is quick recovery of the requirements.
Due to flexibility, convenience, filling up/correcting the gaps/issues then and there or whenever found or required.
Also step by step addition of new features to the existing system, etc.
My2 cents. Thanks.