The management question, therefore, is not whether to build a pilot system and throw it away. You will do that. Hence plan to throw one away; you will, anyhow.
Fred BrooksShow me your flowcharts and conceal your tables, and I shall continue to be mystified. Show me your tables, and I won't usually need your flowcharts; they'll be obvious.
Fred BrooksBut I will argue that knowing complete product requirements up front is a quite rare exception, not the norm.
Fred Brooks