In the Ada world we typically write mission critical software that just has to work, but in a way one could argue that a lot more software is mission critical than is usually admitted. What does it take to actually perform rapid application development in any language? Can we do it in Ada and why would we do so? A quick look into some language features that can be [ab]used for enabling quick development of 'just a prototype' - which, as practice shows is often deployed into production, usually without proper quality controls and predictable outcome.