It's always tempting to aim for efficiency. Why wouldn't you? It doesn't make sense for people to be idle when the could be busy. Maybe this idea came from Microsoft Project where Project Managers would struggle for hours (or days) to ensure each resource on their project was 100% utilized, all the time. In Agile, efficiency is a fallacy. Look at it this way. What we're after is working software. Completed stories get us to working software. And even though most people wo