Software never is "ready". Software might just be "ready enough", whereas "ready enough" depends on audience and domain, I think. For example, an in-house alph

Software never is "ready". Software might just be "ready enough", whereas "ready enough" depends on audience and domain, I think. For example, an in-house alpha test version for a game might be "ready enough" if the software can display a ball the user can control, while a mars rover control system is "ready enough" for actual mars deployment after years and years of testing.